Home / 125,149.14-187,833.06-72,486.18

Finding the Fourth Proportional to 125,149.14, 187,833.06 and 72,486.18

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Solution

The fourth proportional to 125,149.14, 187,833.06 and 72,486.18 is: 108,792.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,149.14 : 187,833.06 = 72,486.18 : x
  2. Step 2: Convert to fraction form
    125,149.14/187,833.06 = 72,486.18/x
  3. Step 3: Cross multiply
    125,149.14x = 187,833.06 × 72,486.18
  4. Step 4: Simplify right side
    125,149.14x = 13,615,300,997.11
  5. Step 5: Solve for x
    x = 13,615,300,997.11/125,149.14
  6. Step 6: Final answer
    x = 108,792.61

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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.