Home / 240,600.75-332,103.01-138,694.38

Finding the Fourth Proportional to 240,600.75, 332,103.01 and 138,694.38

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Solution

The fourth proportional to 240,600.75, 332,103.01 and 138,694.38 is: 191,440.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,600.75 : 332,103.01 = 138,694.38 : x
  2. Step 2: Convert to fraction form
    240,600.75/332,103.01 = 138,694.38/x
  3. Step 3: Cross multiply
    240,600.75x = 332,103.01 × 138,694.38
  4. Step 4: Simplify right side
    240,600.75x = 46,060,820,126.09
  5. Step 5: Solve for x
    x = 46,060,820,126.09/240,600.75
  6. Step 6: Final answer
    x = 191,440.88

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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.