Home / 175,690.20-263,708.10-87,043.80

Finding the Fourth Proportional to 175,690.20, 263,708.10 and 87,043.80

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Solution

The fourth proportional to 175,690.20, 263,708.10 and 87,043.80 is: 130,651.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,690.20 : 263,708.10 = 87,043.80 : x
  2. Step 2: Convert to fraction form
    175,690.20/263,708.10 = 87,043.80/x
  3. Step 3: Cross multiply
    175,690.20x = 263,708.10 × 87,043.80
  4. Step 4: Simplify right side
    175,690.20x = 22,954,155,114.78
  5. Step 5: Solve for x
    x = 22,954,155,114.78/175,690.20
  6. Step 6: Final answer
    x = 130,651.31

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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.