Home / 107,318.40-161,131.20-60,662.40

Finding the Fourth Proportional to 107,318.40, 161,131.20 and 60,662.40

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Solution

The fourth proportional to 107,318.40, 161,131.20 and 60,662.40 is: 91,080.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,318.40 : 161,131.20 = 60,662.40 : x
  2. Step 2: Convert to fraction form
    107,318.40/161,131.20 = 60,662.40/x
  3. Step 3: Cross multiply
    107,318.40x = 161,131.20 × 60,662.40
  4. Step 4: Simplify right side
    107,318.40x = 9,774,605,306.88
  5. Step 5: Solve for x
    x = 9,774,605,306.88/107,318.40
  6. Step 6: Final answer
    x = 91,080.42

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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.