Home / 157,936.31-217,966.16-89,938.43

Finding the Fourth Proportional to 157,936.31, 217,966.16 and 89,938.43

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Solution

The fourth proportional to 157,936.31, 217,966.16 and 89,938.43 is: 124,123.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,936.31 : 217,966.16 = 89,938.43 : x
  2. Step 2: Convert to fraction form
    157,936.31/217,966.16 = 89,938.43/x
  3. Step 3: Cross multiply
    157,936.31x = 217,966.16 × 89,938.43
  4. Step 4: Simplify right side
    157,936.31x = 19,603,533,773.84
  5. Step 5: Solve for x
    x = 19,603,533,773.84/157,936.31
  6. Step 6: Final answer
    x = 124,123.03

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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.