Home / 131,753.18-197,422.68-101,840.64

Finding the Fourth Proportional to 131,753.18, 197,422.68 and 101,840.64

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Solution

The fourth proportional to 131,753.18, 197,422.68 and 101,840.64 is: 152,600.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,753.18 : 197,422.68 = 101,840.64 : x
  2. Step 2: Convert to fraction form
    131,753.18/197,422.68 = 101,840.64/x
  3. Step 3: Cross multiply
    131,753.18x = 197,422.68 × 101,840.64
  4. Step 4: Simplify right side
    131,753.18x = 20,105,652,081.72
  5. Step 5: Solve for x
    x = 20,105,652,081.72/131,753.18
  6. Step 6: Final answer
    x = 152,600.89

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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.