Home / 157,792.23-217,755.01-86,174.36

Finding the Fourth Proportional to 157,792.23, 217,755.01 and 86,174.36

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Solution

The fourth proportional to 157,792.23, 217,755.01 and 86,174.36 is: 118,921.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,792.23 : 217,755.01 = 86,174.36 : x
  2. Step 2: Convert to fraction form
    157,792.23/217,755.01 = 86,174.36/x
  3. Step 3: Cross multiply
    157,792.23x = 217,755.01 × 86,174.36
  4. Step 4: Simplify right side
    157,792.23x = 18,764,897,103.90
  5. Step 5: Solve for x
    x = 18,764,897,103.90/157,792.23
  6. Step 6: Final answer
    x = 118,921.56

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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.