Home / 175,672.20-263,681.10-87,025.80

Finding the Fourth Proportional to 175,672.20, 263,681.10 and 87,025.80

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Solution

The fourth proportional to 175,672.20, 263,681.10 and 87,025.80 is: 130,624.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,672.20 : 263,681.10 = 87,025.80 : x
  2. Step 2: Convert to fraction form
    175,672.20/263,681.10 = 87,025.80/x
  3. Step 3: Cross multiply
    175,672.20x = 263,681.10 × 87,025.80
  4. Step 4: Simplify right side
    175,672.20x = 22,947,058,672.38
  5. Step 5: Solve for x
    x = 22,947,058,672.38/175,672.20
  6. Step 6: Final answer
    x = 130,624.30

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1.5x scale

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.