Home / 113,470.80-170,149.20-66,101.52

Finding the Fourth Proportional to 113,470.80, 170,149.20 and 66,101.52

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Solution

The fourth proportional to 113,470.80, 170,149.20 and 66,101.52 is: 99,119.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,470.80 : 170,149.20 = 66,101.52 : x
  2. Step 2: Convert to fraction form
    113,470.80/170,149.20 = 66,101.52/x
  3. Step 3: Cross multiply
    113,470.80x = 170,149.20 × 66,101.52
  4. Step 4: Simplify right side
    113,470.80x = 11,247,120,746.78
  5. Step 5: Solve for x
    x = 11,247,120,746.78/113,470.80
  6. Step 6: Final answer
    x = 99,119.08

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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.