Home / 125,003.12-187,524.24-40,743.76

Finding the Fourth Proportional to 125,003.12, 187,524.24 and 40,743.76

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Solution

The fourth proportional to 125,003.12, 187,524.24 and 40,743.76 is: 61,122.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,003.12 : 187,524.24 = 40,743.76 : x
  2. Step 2: Convert to fraction form
    125,003.12/187,524.24 = 40,743.76/x
  3. Step 3: Cross multiply
    125,003.12x = 187,524.24 × 40,743.76
  4. Step 4: Simplify right side
    125,003.12x = 7,640,442,628.74
  5. Step 5: Solve for x
    x = 7,640,442,628.74/125,003.12
  6. Step 6: Final answer
    x = 61,122.02

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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.