Home / 131,082.41-196,499.05-83,564.13

Finding the Fourth Proportional to 131,082.41, 196,499.05 and 83,564.13

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Solution

The fourth proportional to 131,082.41, 196,499.05 and 83,564.13 is: 125,266.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,082.41 : 196,499.05 = 83,564.13 : x
  2. Step 2: Convert to fraction form
    131,082.41/196,499.05 = 83,564.13/x
  3. Step 3: Cross multiply
    131,082.41x = 196,499.05 × 83,564.13
  4. Step 4: Simplify right side
    131,082.41x = 16,420,272,159.08
  5. Step 5: Solve for x
    x = 16,420,272,159.08/131,082.41
  6. Step 6: Final answer
    x = 125,266.79

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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.