Home / 162,429.83-243,481.12-67,712.41

Finding the Fourth Proportional to 162,429.83, 243,481.12 and 67,712.41

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Solution

The fourth proportional to 162,429.83, 243,481.12 and 67,712.41 is: 101,500.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,429.83 : 243,481.12 = 67,712.41 : x
  2. Step 2: Convert to fraction form
    162,429.83/243,481.12 = 67,712.41/x
  3. Step 3: Cross multiply
    162,429.83x = 243,481.12 × 67,712.41
  4. Step 4: Simplify right side
    162,429.83x = 16,486,693,424.70
  5. Step 5: Solve for x
    x = 16,486,693,424.70/162,429.83
  6. Step 6: Final answer
    x = 101,500.40

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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.