Home / 124,820.20-187,230.30-54,836.20

Finding the Fourth Proportional to 124,820.20, 187,230.30 and 54,836.20

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Solution

The fourth proportional to 124,820.20, 187,230.30 and 54,836.20 is: 82,254.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,820.20 : 187,230.30 = 54,836.20 : x
  2. Step 2: Convert to fraction form
    124,820.20/187,230.30 = 54,836.20/x
  3. Step 3: Cross multiply
    124,820.20x = 187,230.30 × 54,836.20
  4. Step 4: Simplify right side
    124,820.20x = 10,266,998,176.86
  5. Step 5: Solve for x
    x = 10,266,998,176.86/124,820.20
  6. Step 6: Final answer
    x = 82,254.30

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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.