Home / 182,640.29-252,121.21-111,043.17

Finding the Fourth Proportional to 182,640.29, 252,121.21 and 111,043.17

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Solution

The fourth proportional to 182,640.29, 252,121.21 and 111,043.17 is: 153,286.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,640.29 : 252,121.21 = 111,043.17 : x
  2. Step 2: Convert to fraction form
    182,640.29/252,121.21 = 111,043.17/x
  3. Step 3: Cross multiply
    182,640.29x = 252,121.21 × 111,043.17
  4. Step 4: Simplify right side
    182,640.29x = 27,996,338,105.03
  5. Step 5: Solve for x
    x = 27,996,338,105.03/182,640.29
  6. Step 6: Final answer
    x = 153,286.76

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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.