Home / 162,195.17-243,112.12-67,372.52

Finding the Fourth Proportional to 162,195.17, 243,112.12 and 67,372.52

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Solution

The fourth proportional to 162,195.17, 243,112.12 and 67,372.52 is: 100,983.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,195.17 : 243,112.12 = 67,372.52 : x
  2. Step 2: Convert to fraction form
    162,195.17/243,112.12 = 67,372.52/x
  3. Step 3: Cross multiply
    162,195.17x = 243,112.12 × 67,372.52
  4. Step 4: Simplify right side
    162,195.17x = 16,379,074,782.95
  5. Step 5: Solve for x
    x = 16,379,074,782.95/162,195.17
  6. Step 6: Final answer
    x = 100,983.74

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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.