Home / 185,753.20-256,334.68-105,200.52

Finding the Fourth Proportional to 185,753.20, 256,334.68 and 105,200.52

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Solution

The fourth proportional to 185,753.20, 256,334.68 and 105,200.52 is: 145,174.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,753.20 : 256,334.68 = 105,200.52 : x
  2. Step 2: Convert to fraction form
    185,753.20/256,334.68 = 105,200.52/x
  3. Step 3: Cross multiply
    185,753.20x = 256,334.68 × 105,200.52
  4. Step 4: Simplify right side
    185,753.20x = 26,966,541,630.03
  5. Step 5: Solve for x
    x = 26,966,541,630.03/185,753.20
  6. Step 6: Final answer
    x = 145,174.04

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1.5x scale

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.