Home / 175,919.42-263,879.02-70,713.78

Finding the Fourth Proportional to 175,919.42, 263,879.02 and 70,713.78

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Solution

The fourth proportional to 175,919.42, 263,879.02 and 70,713.78 is: 106,070.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,919.42 : 263,879.02 = 70,713.78 : x
  2. Step 2: Convert to fraction form
    175,919.42/263,879.02 = 70,713.78/x
  3. Step 3: Cross multiply
    175,919.42x = 263,879.02 × 70,713.78
  4. Step 4: Simplify right side
    175,919.42x = 18,659,882,966.90
  5. Step 5: Solve for x
    x = 18,659,882,966.90/175,919.42
  6. Step 6: Final answer
    x = 106,070.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.