Home / 225,930.93-338,689.04-78,083.25

Finding the Fourth Proportional to 225,930.93, 338,689.04 and 78,083.25

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Solution

The fourth proportional to 225,930.93, 338,689.04 and 78,083.25 is: 117,053.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,930.93 : 338,689.04 = 78,083.25 : x
  2. Step 2: Convert to fraction form
    225,930.93/338,689.04 = 78,083.25/x
  3. Step 3: Cross multiply
    225,930.93x = 338,689.04 × 78,083.25
  4. Step 4: Simplify right side
    225,930.93x = 26,445,940,592.16
  5. Step 5: Solve for x
    x = 26,445,940,592.16/225,930.93
  6. Step 6: Final answer
    x = 117,053.21

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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.