Home / 104,631.60-156,947.40-100,549.20

Finding the Fourth Proportional to 104,631.60, 156,947.40 and 100,549.20

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Solution

The fourth proportional to 104,631.60, 156,947.40 and 100,549.20 is: 150,823.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,631.60 : 156,947.40 = 100,549.20 : x
  2. Step 2: Convert to fraction form
    104,631.60/156,947.40 = 100,549.20/x
  3. Step 3: Cross multiply
    104,631.60x = 156,947.40 × 100,549.20
  4. Step 4: Simplify right side
    104,631.60x = 15,780,935,512.08
  5. Step 5: Solve for x
    x = 15,780,935,512.08/104,631.60
  6. Step 6: Final answer
    x = 150,823.80

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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.