Home / 165,728.40-248,527.80-60,493.20

Finding the Fourth Proportional to 165,728.40, 248,527.80 and 60,493.20

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Solution

The fourth proportional to 165,728.40, 248,527.80 and 60,493.20 is: 90,716.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,728.40 : 248,527.80 = 60,493.20 : x
  2. Step 2: Convert to fraction form
    165,728.40/248,527.80 = 60,493.20/x
  3. Step 3: Cross multiply
    165,728.40x = 248,527.80 × 60,493.20
  4. Step 4: Simplify right side
    165,728.40x = 15,034,241,910.96
  5. Step 5: Solve for x
    x = 15,034,241,910.96/165,728.40
  6. Step 6: Final answer
    x = 90,716.15

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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.