Home / 108,475.20-162,494.10-75,232.80

Finding the Fourth Proportional to 108,475.20, 162,494.10 and 75,232.80

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Solution

The fourth proportional to 108,475.20, 162,494.10 and 75,232.80 is: 112,697.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,475.20 : 162,494.10 = 75,232.80 : x
  2. Step 2: Convert to fraction form
    108,475.20/162,494.10 = 75,232.80/x
  3. Step 3: Cross multiply
    108,475.20x = 162,494.10 × 75,232.80
  4. Step 4: Simplify right side
    108,475.20x = 12,224,886,126.48
  5. Step 5: Solve for x
    x = 12,224,886,126.48/108,475.20
  6. Step 6: Final answer
    x = 112,697.52

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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.