Home / 125,378.47-188,067.91-44,385.76

Finding the Fourth Proportional to 125,378.47, 188,067.91 and 44,385.76

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Solution

The fourth proportional to 125,378.47, 188,067.91 and 44,385.76 is: 66,578.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,378.47 : 188,067.91 = 44,385.76 : x
  2. Step 2: Convert to fraction form
    125,378.47/188,067.91 = 44,385.76/x
  3. Step 3: Cross multiply
    125,378.47x = 188,067.91 × 44,385.76
  4. Step 4: Simplify right side
    125,378.47x = 8,347,537,116.96
  5. Step 5: Solve for x
    x = 8,347,537,116.96/125,378.47
  6. Step 6: Final answer
    x = 66,578.71

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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.