Home / 157,732.73-217,690.27-89,766.24

Finding the Fourth Proportional to 157,732.73, 217,690.27 and 89,766.24

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Solution

The fourth proportional to 157,732.73, 217,690.27 and 89,766.24 is: 123,888.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,732.73 : 217,690.27 = 89,766.24 : x
  2. Step 2: Convert to fraction form
    157,732.73/217,690.27 = 89,766.24/x
  3. Step 3: Cross multiply
    157,732.73x = 217,690.27 × 89,766.24
  4. Step 4: Simplify right side
    157,732.73x = 19,541,237,022.48
  5. Step 5: Solve for x
    x = 19,541,237,022.48/157,732.73
  6. Step 6: Final answer
    x = 123,888.28

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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.