Home / 118,956.11-164,144.25-67,972.14

Finding the Fourth Proportional to 118,956.11, 164,144.25 and 67,972.14

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Solution

The fourth proportional to 118,956.11, 164,144.25 and 67,972.14 is: 93,792.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,956.11 : 164,144.25 = 67,972.14 : x
  2. Step 2: Convert to fraction form
    118,956.11/164,144.25 = 67,972.14/x
  3. Step 3: Cross multiply
    118,956.11x = 164,144.25 × 67,972.14
  4. Step 4: Simplify right side
    118,956.11x = 11,157,235,941.20
  5. Step 5: Solve for x
    x = 11,157,235,941.20/118,956.11
  6. Step 6: Final answer
    x = 93,792.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.