Home / 131,332.56-196,715.88-88,980.28

Finding the Fourth Proportional to 131,332.56, 196,715.88 and 88,980.28

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Solution

The fourth proportional to 131,332.56, 196,715.88 and 88,980.28 is: 133,278.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,332.56 : 196,715.88 = 88,980.28 : x
  2. Step 2: Convert to fraction form
    131,332.56/196,715.88 = 88,980.28/x
  3. Step 3: Cross multiply
    131,332.56x = 196,715.88 × 88,980.28
  4. Step 4: Simplify right side
    131,332.56x = 17,503,834,082.85
  5. Step 5: Solve for x
    x = 17,503,834,082.85/131,332.56
  6. Step 6: Final answer
    x = 133,278.71

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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.