Home / 125,223.12-187,829.82-50,320.80

Finding the Fourth Proportional to 125,223.12, 187,829.82 and 50,320.80

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Solution

The fourth proportional to 125,223.12, 187,829.82 and 50,320.80 is: 75,479.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,223.12 : 187,829.82 = 50,320.80 : x
  2. Step 2: Convert to fraction form
    125,223.12/187,829.82 = 50,320.80/x
  3. Step 3: Cross multiply
    125,223.12x = 187,829.82 × 50,320.80
  4. Step 4: Simplify right side
    125,223.12x = 9,451,746,806.26
  5. Step 5: Solve for x
    x = 9,451,746,806.26/125,223.12
  6. Step 6: Final answer
    x = 75,479.25

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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.