Home / 119,229.20-164,550.60-71,508.80

Finding the Fourth Proportional to 119,229.20, 164,550.60 and 71,508.80

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Solution

The fourth proportional to 119,229.20, 164,550.60 and 71,508.80 is: 98,690.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,229.20 : 164,550.60 = 71,508.80 : x
  2. Step 2: Convert to fraction form
    119,229.20/164,550.60 = 71,508.80/x
  3. Step 3: Cross multiply
    119,229.20x = 164,550.60 × 71,508.80
  4. Step 4: Simplify right side
    119,229.20x = 11,766,815,945.28
  5. Step 5: Solve for x
    x = 11,766,815,945.28/119,229.20
  6. Step 6: Final answer
    x = 98,690.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.