Home / 185,842.20-256,449.60-100,957.44

Finding the Fourth Proportional to 185,842.20, 256,449.60 and 100,957.44

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Solution

The fourth proportional to 185,842.20, 256,449.60 and 100,957.44 is: 139,314.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,842.20 : 256,449.60 = 100,957.44 : x
  2. Step 2: Convert to fraction form
    185,842.20/256,449.60 = 100,957.44/x
  3. Step 3: Cross multiply
    185,842.20x = 256,449.60 × 100,957.44
  4. Step 4: Simplify right side
    185,842.20x = 25,890,495,105.02
  5. Step 5: Solve for x
    x = 25,890,495,105.02/185,842.20
  6. Step 6: Final answer
    x = 139,314.40

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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.