Home / 148,200.77-204,517.07-81,132.77

Finding the Fourth Proportional to 148,200.77, 204,517.07 and 81,132.77

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Solution

The fourth proportional to 148,200.77, 204,517.07 and 81,132.77 is: 111,963.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,200.77 : 204,517.07 = 81,132.77 : x
  2. Step 2: Convert to fraction form
    148,200.77/204,517.07 = 81,132.77/x
  3. Step 3: Cross multiply
    148,200.77x = 204,517.07 × 81,132.77
  4. Step 4: Simplify right side
    148,200.77x = 16,593,036,401.38
  5. Step 5: Solve for x
    x = 16,593,036,401.38/148,200.77
  6. Step 6: Final answer
    x = 111,963.23

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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.