Home / 516,122.06-774,183.08-161,166.49

Finding the Fourth Proportional to 516,122.06, 774,183.08 and 161,166.49

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Solution

The fourth proportional to 516,122.06, 774,183.08 and 161,166.49 is: 241,749.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,122.06 : 774,183.08 = 161,166.49 : x
  2. Step 2: Convert to fraction form
    516,122.06/774,183.08 = 161,166.49/x
  3. Step 3: Cross multiply
    516,122.06x = 774,183.08 × 161,166.49
  4. Step 4: Simplify right side
    516,122.06x = 124,772,368,088.45
  5. Step 5: Solve for x
    x = 124,772,368,088.45/516,122.06
  6. Step 6: Final answer
    x = 241,749.73

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.