Home / 131,444.10-197,166.15-99,951.30

Finding the Fourth Proportional to 131,444.10, 197,166.15 and 99,951.30

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Solution

The fourth proportional to 131,444.10, 197,166.15 and 99,951.30 is: 149,926.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,444.10 : 197,166.15 = 99,951.30 : x
  2. Step 2: Convert to fraction form
    131,444.10/197,166.15 = 99,951.30/x
  3. Step 3: Cross multiply
    131,444.10x = 197,166.15 × 99,951.30
  4. Step 4: Simplify right side
    131,444.10x = 19,707,013,008.50
  5. Step 5: Solve for x
    x = 19,707,013,008.50/131,444.10
  6. Step 6: Final answer
    x = 149,926.95

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Double scale
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Similar ratio
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1.5x scale

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.