Home / 108,548.20-162,822.30-100,253.80

Finding the Fourth Proportional to 108,548.20, 162,822.30 and 100,253.80

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Solution

The fourth proportional to 108,548.20, 162,822.30 and 100,253.80 is: 150,380.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,548.20 : 162,822.30 = 100,253.80 : x
  2. Step 2: Convert to fraction form
    108,548.20/162,822.30 = 100,253.80/x
  3. Step 3: Cross multiply
    108,548.20x = 162,822.30 × 100,253.80
  4. Step 4: Simplify right side
    108,548.20x = 16,323,554,299.74
  5. Step 5: Solve for x
    x = 16,323,554,299.74/108,548.20
  6. Step 6: Final answer
    x = 150,380.70

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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.