Home / 165,098.48-247,647.16-112,377.20

Finding the Fourth Proportional to 165,098.48, 247,647.16 and 112,377.20

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Solution

The fourth proportional to 165,098.48, 247,647.16 and 112,377.20 is: 168,565.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,098.48 : 247,647.16 = 112,377.20 : x
  2. Step 2: Convert to fraction form
    165,098.48/247,647.16 = 112,377.20/x
  3. Step 3: Cross multiply
    165,098.48x = 247,647.16 × 112,377.20
  4. Step 4: Simplify right side
    165,098.48x = 27,829,894,428.75
  5. Step 5: Solve for x
    x = 27,829,894,428.75/165,098.48
  6. Step 6: Final answer
    x = 168,565.42

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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.