Home / 140,764.07-194,257.58-80,333.51

Finding the Fourth Proportional to 140,764.07, 194,257.58 and 80,333.51

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Solution

The fourth proportional to 140,764.07, 194,257.58 and 80,333.51 is: 110,862.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,764.07 : 194,257.58 = 80,333.51 : x
  2. Step 2: Convert to fraction form
    140,764.07/194,257.58 = 80,333.51/x
  3. Step 3: Cross multiply
    140,764.07x = 194,257.58 × 80,333.51
  4. Step 4: Simplify right side
    140,764.07x = 15,605,391,872.55
  5. Step 5: Solve for x
    x = 15,605,391,872.55/140,764.07
  6. Step 6: Final answer
    x = 110,862.04

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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.