Home / 231,557.58-319,566.66-129,593.28

Finding the Fourth Proportional to 231,557.58, 319,566.66 and 129,593.28

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Solution

The fourth proportional to 231,557.58, 319,566.66 and 129,593.28 is: 178,848.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,557.58 : 319,566.66 = 129,593.28 : x
  2. Step 2: Convert to fraction form
    231,557.58/319,566.66 = 129,593.28/x
  3. Step 3: Cross multiply
    231,557.58x = 319,566.66 × 129,593.28
  4. Step 4: Simplify right side
    231,557.58x = 41,413,691,648.04
  5. Step 5: Solve for x
    x = 41,413,691,648.04/231,557.58
  6. Step 6: Final answer
    x = 178,848.35

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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.