Home / 140,715.30-194,186.79-77,052.54

Finding the Fourth Proportional to 140,715.30, 194,186.79 and 77,052.54

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Solution

The fourth proportional to 140,715.30, 194,186.79 and 77,052.54 is: 106,332.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,715.30 : 194,186.79 = 77,052.54 : x
  2. Step 2: Convert to fraction form
    140,715.30/194,186.79 = 77,052.54/x
  3. Step 3: Cross multiply
    140,715.30x = 194,186.79 × 77,052.54
  4. Step 4: Simplify right side
    140,715.30x = 14,962,585,403.95
  5. Step 5: Solve for x
    x = 14,962,585,403.95/140,715.30
  6. Step 6: Final answer
    x = 106,332.33

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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.