Home / 231,583.32-319,483.54-136,046.92

Finding the Fourth Proportional to 231,583.32, 319,483.54 and 136,046.92

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Solution

The fourth proportional to 231,583.32, 319,483.54 and 136,046.92 is: 187,685.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,583.32 : 319,483.54 = 136,046.92 : x
  2. Step 2: Convert to fraction form
    231,583.32/319,483.54 = 136,046.92/x
  3. Step 3: Cross multiply
    231,583.32x = 319,483.54 × 136,046.92
  4. Step 4: Simplify right side
    231,583.32x = 43,464,751,607.70
  5. Step 5: Solve for x
    x = 43,464,751,607.70/231,583.32
  6. Step 6: Final answer
    x = 187,685.16

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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.