Home / 140,747.94-194,184-80,275.14

Finding the Fourth Proportional to 140,747.94, 194,184 and 80,275.14

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Solution

The fourth proportional to 140,747.94, 194,184 and 80,275.14 is: 110,752.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,747.94 : 194,184 = 80,275.14 : x
  2. Step 2: Convert to fraction form
    140,747.94/194,184 = 80,275.14/x
  3. Step 3: Cross multiply
    140,747.94x = 194,184 × 80,275.14
  4. Step 4: Simplify right side
    140,747.94x = 15,588,147,785.76
  5. Step 5: Solve for x
    x = 15,588,147,785.76/140,747.94
  6. Step 6: Final answer
    x = 110,752.23

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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.