Home / 124,217.20-186,107.10-101,909.80

Finding the Fourth Proportional to 124,217.20, 186,107.10 and 101,909.80

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Solution

The fourth proportional to 124,217.20, 186,107.10 and 101,909.80 is: 152,685.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,217.20 : 186,107.10 = 101,909.80 : x
  2. Step 2: Convert to fraction form
    124,217.20/186,107.10 = 101,909.80/x
  3. Step 3: Cross multiply
    124,217.20x = 186,107.10 × 101,909.80
  4. Step 4: Simplify right side
    124,217.20x = 18,966,137,339.58
  5. Step 5: Solve for x
    x = 18,966,137,339.58/124,217.20
  6. Step 6: Final answer
    x = 152,685.27

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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.