Home / 107,633.60-161,443.84-40,152.64

Finding the Fourth Proportional to 107,633.60, 161,443.84 and 40,152.64

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Solution

The fourth proportional to 107,633.60, 161,443.84 and 40,152.64 is: 60,226.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,633.60 : 161,443.84 = 40,152.64 : x
  2. Step 2: Convert to fraction form
    107,633.60/161,443.84 = 40,152.64/x
  3. Step 3: Cross multiply
    107,633.60x = 161,443.84 × 40,152.64
  4. Step 4: Simplify right side
    107,633.60x = 6,482,396,387.74
  5. Step 5: Solve for x
    x = 6,482,396,387.74/107,633.60
  6. Step 6: Final answer
    x = 60,226.51

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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.