Home / 137,060.10-205,612.20-42,267.96

Finding the Fourth Proportional to 137,060.10, 205,612.20 and 42,267.96

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Solution

The fourth proportional to 137,060.10, 205,612.20 and 42,267.96 is: 63,408.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,060.10 : 205,612.20 = 42,267.96 : x
  2. Step 2: Convert to fraction form
    137,060.10/205,612.20 = 42,267.96/x
  3. Step 3: Cross multiply
    137,060.10x = 205,612.20 × 42,267.96
  4. Step 4: Simplify right side
    137,060.10x = 8,690,808,245.11
  5. Step 5: Solve for x
    x = 8,690,808,245.11/137,060.10
  6. Step 6: Final answer
    x = 63,408.74

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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.