Home / 188,515.73-260,149.87-140,333.13

Finding the Fourth Proportional to 188,515.73, 260,149.87 and 140,333.13

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Solution

The fourth proportional to 188,515.73, 260,149.87 and 140,333.13 is: 193,658.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,515.73 : 260,149.87 = 140,333.13 : x
  2. Step 2: Convert to fraction form
    188,515.73/260,149.87 = 140,333.13/x
  3. Step 3: Cross multiply
    188,515.73x = 260,149.87 × 140,333.13
  4. Step 4: Simplify right side
    188,515.73x = 36,507,645,701.61
  5. Step 5: Solve for x
    x = 36,507,645,701.61/188,515.73
  6. Step 6: Final answer
    x = 193,658.35

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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.