Home / 124,894.20-187,190.34-72,195.24

Finding the Fourth Proportional to 124,894.20, 187,190.34 and 72,195.24

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Solution

The fourth proportional to 124,894.20, 187,190.34 and 72,195.24 is: 108,205.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,894.20 : 187,190.34 = 72,195.24 : x
  2. Step 2: Convert to fraction form
    124,894.20/187,190.34 = 72,195.24/x
  3. Step 3: Cross multiply
    124,894.20x = 187,190.34 × 72,195.24
  4. Step 4: Simplify right side
    124,894.20x = 13,514,251,521.98
  5. Step 5: Solve for x
    x = 13,514,251,521.98/124,894.20
  6. Step 6: Final answer
    x = 108,205.60

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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.