Home / 516,145.70-774,218.19-161,190.14

Finding the Fourth Proportional to 516,145.70, 774,218.19 and 161,190.14

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Solution

The fourth proportional to 516,145.70, 774,218.19 and 161,190.14 is: 241,785.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,145.70 : 774,218.19 = 161,190.14 : x
  2. Step 2: Convert to fraction form
    516,145.70/774,218.19 = 161,190.14/x
  3. Step 3: Cross multiply
    516,145.70x = 774,218.19 × 161,190.14
  4. Step 4: Simplify right side
    516,145.70x = 124,796,338,436.65
  5. Step 5: Solve for x
    x = 124,796,338,436.65/516,145.70
  6. Step 6: Final answer
    x = 241,785.10

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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.