Home / 231,884.17-319,927.52-129,895.85

Finding the Fourth Proportional to 231,884.17, 319,927.52 and 129,895.85

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Solution

The fourth proportional to 231,884.17, 319,927.52 and 129,895.85 is: 179,215.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,884.17 : 319,927.52 = 129,895.85 : x
  2. Step 2: Convert to fraction form
    231,884.17/319,927.52 = 129,895.85/x
  3. Step 3: Cross multiply
    231,884.17x = 319,927.52 × 129,895.85
  4. Step 4: Simplify right side
    231,884.17x = 41,557,256,499.31
  5. Step 5: Solve for x
    x = 41,557,256,499.31/231,884.17
  6. Step 6: Final answer
    x = 179,215.59

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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.