Home / 148,282.97-204,622.38-87,859.17

Finding the Fourth Proportional to 148,282.97, 204,622.38 and 87,859.17

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Solution

The fourth proportional to 148,282.97, 204,622.38 and 87,859.17 is: 121,240.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,282.97 : 204,622.38 = 87,859.17 : x
  2. Step 2: Convert to fraction form
    148,282.97/204,622.38 = 87,859.17/x
  3. Step 3: Cross multiply
    148,282.97x = 204,622.38 × 87,859.17
  4. Step 4: Simplify right side
    148,282.97x = 17,977,952,470.22
  5. Step 5: Solve for x
    x = 17,977,952,470.22/148,282.97
  6. Step 6: Final answer
    x = 121,240.85

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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.