Home / 107,469.32-161,464.80-94,872.20

Finding the Fourth Proportional to 107,469.32, 161,464.80 and 94,872.20

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Solution

The fourth proportional to 107,469.32, 161,464.80 and 94,872.20 is: 142,538.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,469.32 : 161,464.80 = 94,872.20 : x
  2. Step 2: Convert to fraction form
    107,469.32/161,464.80 = 94,872.20/x
  3. Step 3: Cross multiply
    107,469.32x = 161,464.80 × 94,872.20
  4. Step 4: Simplify right side
    107,469.32x = 15,318,520,798.56
  5. Step 5: Solve for x
    x = 15,318,520,798.56/107,469.32
  6. Step 6: Final answer
    x = 142,538.55

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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.