Home / 107,251.18-148,009.38-58,855.20

Finding the Fourth Proportional to 107,251.18, 148,009.38 and 58,855.20

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Solution

The fourth proportional to 107,251.18, 148,009.38 and 58,855.20 is: 81,221.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,251.18 : 148,009.38 = 58,855.20 : x
  2. Step 2: Convert to fraction form
    107,251.18/148,009.38 = 58,855.20/x
  3. Step 3: Cross multiply
    107,251.18x = 148,009.38 × 58,855.20
  4. Step 4: Simplify right side
    107,251.18x = 8,711,121,661.78
  5. Step 5: Solve for x
    x = 8,711,121,661.78/107,251.18
  6. Step 6: Final answer
    x = 81,221.69

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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.