Home / 516,145.20-774,217.44-161,189.64

Finding the Fourth Proportional to 516,145.20, 774,217.44 and 161,189.64

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Solution

The fourth proportional to 516,145.20, 774,217.44 and 161,189.64 is: 241,784.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,145.20 : 774,217.44 = 161,189.64 : x
  2. Step 2: Convert to fraction form
    516,145.20/774,217.44 = 161,189.64/x
  3. Step 3: Cross multiply
    516,145.20x = 774,217.44 × 161,189.64
  4. Step 4: Simplify right side
    516,145.20x = 124,795,830,435.32
  5. Step 5: Solve for x
    x = 124,795,830,435.32/516,145.20
  6. Step 6: Final answer
    x = 241,784.35

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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.