Home / 188,233.92-282,177.60-81,550.84

Finding the Fourth Proportional to 188,233.92, 282,177.60 and 81,550.84

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Solution

The fourth proportional to 188,233.92, 282,177.60 and 81,550.84 is: 122,251.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,233.92 : 282,177.60 = 81,550.84 : x
  2. Step 2: Convert to fraction form
    188,233.92/282,177.60 = 81,550.84/x
  3. Step 3: Cross multiply
    188,233.92x = 282,177.60 × 81,550.84
  4. Step 4: Simplify right side
    188,233.92x = 23,011,820,309.18
  5. Step 5: Solve for x
    x = 23,011,820,309.18/188,233.92
  6. Step 6: Final answer
    x = 122,251.19

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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.