Home / 287,974.44-432,044.56-88,324.12

Finding the Fourth Proportional to 287,974.44, 432,044.56 and 88,324.12

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Solution

The fourth proportional to 287,974.44, 432,044.56 and 88,324.12 is: 132,511.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,974.44 : 432,044.56 = 88,324.12 : x
  2. Step 2: Convert to fraction form
    287,974.44/432,044.56 = 88,324.12/x
  3. Step 3: Cross multiply
    287,974.44x = 432,044.56 × 88,324.12
  4. Step 4: Simplify right side
    287,974.44x = 38,159,955,562.79
  5. Step 5: Solve for x
    x = 38,159,955,562.79/287,974.44
  6. Step 6: Final answer
    x = 132,511.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.