Home / 147,793.23-221,778.17-54,308.43

Finding the Fourth Proportional to 147,793.23, 221,778.17 and 54,308.43

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Solution

The fourth proportional to 147,793.23, 221,778.17 and 54,308.43 is: 81,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,793.23 : 221,778.17 = 54,308.43 : x
  2. Step 2: Convert to fraction form
    147,793.23/221,778.17 = 54,308.43/x
  3. Step 3: Cross multiply
    147,793.23x = 221,778.17 × 54,308.43
  4. Step 4: Simplify right side
    147,793.23x = 12,044,423,949.43
  5. Step 5: Solve for x
    x = 12,044,423,949.43/147,793.23
  6. Step 6: Final answer
    x = 81,495.10

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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.