Home / 157,654.18-217,569.87-88,767.37

Finding the Fourth Proportional to 157,654.18, 217,569.87 and 88,767.37

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Solution

The fourth proportional to 157,654.18, 217,569.87 and 88,767.37 is: 122,502.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,654.18 : 217,569.87 = 88,767.37 : x
  2. Step 2: Convert to fraction form
    157,654.18/217,569.87 = 88,767.37/x
  3. Step 3: Cross multiply
    157,654.18x = 217,569.87 × 88,767.37
  4. Step 4: Simplify right side
    157,654.18x = 19,313,104,707.31
  5. Step 5: Solve for x
    x = 19,313,104,707.31/157,654.18
  6. Step 6: Final answer
    x = 122,502.97

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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.