Home / 131,184.38-196,881.42-68,022.50

Finding the Fourth Proportional to 131,184.38, 196,881.42 and 68,022.50

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Solution

The fourth proportional to 131,184.38, 196,881.42 and 68,022.50 is: 102,088.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,184.38 : 196,881.42 = 68,022.50 : x
  2. Step 2: Convert to fraction form
    131,184.38/196,881.42 = 68,022.50/x
  3. Step 3: Cross multiply
    131,184.38x = 196,881.42 × 68,022.50
  4. Step 4: Simplify right side
    131,184.38x = 13,392,366,391.95
  5. Step 5: Solve for x
    x = 13,392,366,391.95/131,184.38
  6. Step 6: Final answer
    x = 102,088.12

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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.