Home / 118,231.52-177,253.44-68,255.12

Finding the Fourth Proportional to 118,231.52, 177,253.44 and 68,255.12

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Solution

The fourth proportional to 118,231.52, 177,253.44 and 68,255.12 is: 102,328.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,231.52 : 177,253.44 = 68,255.12 : x
  2. Step 2: Convert to fraction form
    118,231.52/177,253.44 = 68,255.12/x
  3. Step 3: Cross multiply
    118,231.52x = 177,253.44 × 68,255.12
  4. Step 4: Simplify right side
    118,231.52x = 12,098,454,817.61
  5. Step 5: Solve for x
    x = 12,098,454,817.61/118,231.52
  6. Step 6: Final answer
    x = 102,328.51

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1.5x scale

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.