Home / 231,535.05-319,507.50-129,573.46

Finding the Fourth Proportional to 231,535.05, 319,507.50 and 129,573.46

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Solution

The fourth proportional to 231,535.05, 319,507.50 and 129,573.46 is: 178,805.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,535.05 : 319,507.50 = 129,573.46 : x
  2. Step 2: Convert to fraction form
    231,535.05/319,507.50 = 129,573.46/x
  3. Step 3: Cross multiply
    231,535.05x = 319,507.50 × 129,573.46
  4. Step 4: Simplify right side
    231,535.05x = 41,399,692,270.95
  5. Step 5: Solve for x
    x = 41,399,692,270.95/231,535.05
  6. Step 6: Final answer
    x = 178,805.29

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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.