Home / 218,358.03-301,333.46-122,864.73

Finding the Fourth Proportional to 218,358.03, 301,333.46 and 122,864.73

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Solution

The fourth proportional to 218,358.03, 301,333.46 and 122,864.73 is: 169,552.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,358.03 : 301,333.46 = 122,864.73 : x
  2. Step 2: Convert to fraction form
    218,358.03/301,333.46 = 122,864.73/x
  3. Step 3: Cross multiply
    218,358.03x = 301,333.46 × 122,864.73
  4. Step 4: Simplify right side
    218,358.03x = 37,023,253,588.54
  5. Step 5: Solve for x
    x = 37,023,253,588.54/218,358.03
  6. Step 6: Final answer
    x = 169,552.97

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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.