Home / 162,512.80-243,441.15-92,310.10

Finding the Fourth Proportional to 162,512.80, 243,441.15 and 92,310.10

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Solution

The fourth proportional to 162,512.80, 243,441.15 and 92,310.10 is: 138,278.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,512.80 : 243,441.15 = 92,310.10 : x
  2. Step 2: Convert to fraction form
    162,512.80/243,441.15 = 92,310.10/x
  3. Step 3: Cross multiply
    162,512.80x = 243,441.15 × 92,310.10
  4. Step 4: Simplify right side
    162,512.80x = 22,472,076,900.62
  5. Step 5: Solve for x
    x = 22,472,076,900.62/162,512.80
  6. Step 6: Final answer
    x = 138,278.81

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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.