Home / 204,666.29-307,032.24-86,355.06

Finding the Fourth Proportional to 204,666.29, 307,032.24 and 86,355.06

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Solution

The fourth proportional to 204,666.29, 307,032.24 and 86,355.06 is: 129,546.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,666.29 : 307,032.24 = 86,355.06 : x
  2. Step 2: Convert to fraction form
    204,666.29/307,032.24 = 86,355.06/x
  3. Step 3: Cross multiply
    204,666.29x = 307,032.24 × 86,355.06
  4. Step 4: Simplify right side
    204,666.29x = 26,513,787,507.13
  5. Step 5: Solve for x
    x = 26,513,787,507.13/204,666.29
  6. Step 6: Final answer
    x = 129,546.43

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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.