Home / 131,508.80-197,190.30-56,616.20

Finding the Fourth Proportional to 131,508.80, 197,190.30 and 56,616.20

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Solution

The fourth proportional to 131,508.80, 197,190.30 and 56,616.20 is: 84,892.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,508.80 : 197,190.30 = 56,616.20 : x
  2. Step 2: Convert to fraction form
    131,508.80/197,190.30 = 56,616.20/x
  3. Step 3: Cross multiply
    131,508.80x = 197,190.30 × 56,616.20
  4. Step 4: Simplify right side
    131,508.80x = 11,164,165,462.86
  5. Step 5: Solve for x
    x = 11,164,165,462.86/131,508.80
  6. Step 6: Final answer
    x = 84,892.92

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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.