Home / 175,635.40-263,453.10-86,951.20

Finding the Fourth Proportional to 175,635.40, 263,453.10 and 86,951.20

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Solution

The fourth proportional to 175,635.40, 263,453.10 and 86,951.20 is: 130,426.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,635.40 : 263,453.10 = 86,951.20 : x
  2. Step 2: Convert to fraction form
    175,635.40/263,453.10 = 86,951.20/x
  3. Step 3: Cross multiply
    175,635.40x = 263,453.10 × 86,951.20
  4. Step 4: Simplify right side
    175,635.40x = 22,907,563,188.72
  5. Step 5: Solve for x
    x = 22,907,563,188.72/175,635.40
  6. Step 6: Final answer
    x = 130,426.80

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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.