Home / 124,108.20-185,943.60-101,800.80

Finding the Fourth Proportional to 124,108.20, 185,943.60 and 101,800.80

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Solution

The fourth proportional to 124,108.20, 185,943.60 and 101,800.80 is: 152,521.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,108.20 : 185,943.60 = 101,800.80 : x
  2. Step 2: Convert to fraction form
    124,108.20/185,943.60 = 101,800.80/x
  3. Step 3: Cross multiply
    124,108.20x = 185,943.60 × 101,800.80
  4. Step 4: Simplify right side
    124,108.20x = 18,929,207,234.88
  5. Step 5: Solve for x
    x = 18,929,207,234.88/124,108.20
  6. Step 6: Final answer
    x = 152,521.81

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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.