Home / 157,528.13-217,401.74-89,566.43

Finding the Fourth Proportional to 157,528.13, 217,401.74 and 89,566.43

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Solution

The fourth proportional to 157,528.13, 217,401.74 and 89,566.43 is: 123,609.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,528.13 : 217,401.74 = 89,566.43 : x
  2. Step 2: Convert to fraction form
    157,528.13/217,401.74 = 89,566.43/x
  3. Step 3: Cross multiply
    157,528.13x = 217,401.74 × 89,566.43
  4. Step 4: Simplify right side
    157,528.13x = 19,471,897,727.59
  5. Step 5: Solve for x
    x = 19,471,897,727.59/157,528.13
  6. Step 6: Final answer
    x = 123,609.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.