Home / 148,110.88-204,398.16-81,049.12

Finding the Fourth Proportional to 148,110.88, 204,398.16 and 81,049.12

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Solution

The fourth proportional to 148,110.88, 204,398.16 and 81,049.12 is: 111,850.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,110.88 : 204,398.16 = 81,049.12 : x
  2. Step 2: Convert to fraction form
    148,110.88/204,398.16 = 81,049.12/x
  3. Step 3: Cross multiply
    148,110.88x = 204,398.16 × 81,049.12
  4. Step 4: Simplify right side
    148,110.88x = 16,566,290,997.62
  5. Step 5: Solve for x
    x = 16,566,290,997.62/148,110.88
  6. Step 6: Final answer
    x = 111,850.60

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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.