Home / 188,516.73-260,151.25-140,334.13

Finding the Fourth Proportional to 188,516.73, 260,151.25 and 140,334.13

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Solution

The fourth proportional to 188,516.73, 260,151.25 and 140,334.13 is: 193,659.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,516.73 : 260,151.25 = 140,334.13 : x
  2. Step 2: Convert to fraction form
    188,516.73/260,151.25 = 140,334.13/x
  3. Step 3: Cross multiply
    188,516.73x = 260,151.25 × 140,334.13
  4. Step 4: Simplify right side
    188,516.73x = 36,508,099,337.16
  5. Step 5: Solve for x
    x = 36,508,099,337.16/188,516.73
  6. Step 6: Final answer
    x = 193,659.73

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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.