Home / 113,766.10-170,649.15-82,273.30

Finding the Fourth Proportional to 113,766.10, 170,649.15 and 82,273.30

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Solution

The fourth proportional to 113,766.10, 170,649.15 and 82,273.30 is: 123,409.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,766.10 : 170,649.15 = 82,273.30 : x
  2. Step 2: Convert to fraction form
    113,766.10/170,649.15 = 82,273.30/x
  3. Step 3: Cross multiply
    113,766.10x = 170,649.15 × 82,273.30
  4. Step 4: Simplify right side
    113,766.10x = 14,039,868,712.70
  5. Step 5: Solve for x
    x = 14,039,868,712.70/113,766.10
  6. Step 6: Final answer
    x = 123,409.95

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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.