Home / 157,153.31-216,876.16-85,537.97

Finding the Fourth Proportional to 157,153.31, 216,876.16 and 85,537.97

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Solution

The fourth proportional to 157,153.31, 216,876.16 and 85,537.97 is: 118,044.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,153.31 : 216,876.16 = 85,537.97 : x
  2. Step 2: Convert to fraction form
    157,153.31/216,876.16 = 85,537.97/x
  3. Step 3: Cross multiply
    157,153.31x = 216,876.16 × 85,537.97
  4. Step 4: Simplify right side
    157,153.31x = 18,551,145,169.57
  5. Step 5: Solve for x
    x = 18,551,145,169.57/157,153.31
  6. Step 6: Final answer
    x = 118,044.89

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1.5x scale

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.