Home / 124,825.20-187,237.80-36,081.60

Finding the Fourth Proportional to 124,825.20, 187,237.80 and 36,081.60

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Solution

The fourth proportional to 124,825.20, 187,237.80 and 36,081.60 is: 54,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,825.20 : 187,237.80 = 36,081.60 : x
  2. Step 2: Convert to fraction form
    124,825.20/187,237.80 = 36,081.60/x
  3. Step 3: Cross multiply
    124,825.20x = 187,237.80 × 36,081.60
  4. Step 4: Simplify right side
    124,825.20x = 6,755,839,404.48
  5. Step 5: Solve for x
    x = 6,755,839,404.48/124,825.20
  6. Step 6: Final answer
    x = 54,122.40

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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.