Home / 188,729.90-260,445.27-107,073.24

Finding the Fourth Proportional to 188,729.90, 260,445.27 and 107,073.24

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Solution

The fourth proportional to 188,729.90, 260,445.27 and 107,073.24 is: 147,759.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,729.90 : 260,445.27 = 107,073.24 : x
  2. Step 2: Convert to fraction form
    188,729.90/260,445.27 = 107,073.24/x
  3. Step 3: Cross multiply
    188,729.90x = 260,445.27 × 107,073.24
  4. Step 4: Simplify right side
    188,729.90x = 27,886,719,791.43
  5. Step 5: Solve for x
    x = 27,886,719,791.43/188,729.90
  6. Step 6: Final answer
    x = 147,759.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.