Home / 131,115.18-196,618.55-41,127.87

Finding the Fourth Proportional to 131,115.18, 196,618.55 and 41,127.87

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Solution

The fourth proportional to 131,115.18, 196,618.55 and 41,127.87 is: 61,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,115.18 : 196,618.55 = 41,127.87 : x
  2. Step 2: Convert to fraction form
    131,115.18/196,618.55 = 41,127.87/x
  3. Step 3: Cross multiply
    131,115.18x = 196,618.55 × 41,127.87
  4. Step 4: Simplify right side
    131,115.18x = 8,086,502,695.67
  5. Step 5: Solve for x
    x = 8,086,502,695.67/131,115.18
  6. Step 6: Final answer
    x = 61,674.80

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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.