Home / 165,065.31-227,791.05-97,085.13

Finding the Fourth Proportional to 165,065.31, 227,791.05 and 97,085.13

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Solution

The fourth proportional to 165,065.31, 227,791.05 and 97,085.13 is: 133,978.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,065.31 : 227,791.05 = 97,085.13 : x
  2. Step 2: Convert to fraction form
    165,065.31/227,791.05 = 97,085.13/x
  3. Step 3: Cross multiply
    165,065.31x = 227,791.05 × 97,085.13
  4. Step 4: Simplify right side
    165,065.31x = 22,115,123,702.09
  5. Step 5: Solve for x
    x = 22,115,123,702.09/165,065.31
  6. Step 6: Final answer
    x = 133,978.02

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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.