Home / 132,367.20-198,550.80-70,159.20

Finding the Fourth Proportional to 132,367.20, 198,550.80 and 70,159.20

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Solution

The fourth proportional to 132,367.20, 198,550.80 and 70,159.20 is: 105,238.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,367.20 : 198,550.80 = 70,159.20 : x
  2. Step 2: Convert to fraction form
    132,367.20/198,550.80 = 70,159.20/x
  3. Step 3: Cross multiply
    132,367.20x = 198,550.80 × 70,159.20
  4. Step 4: Simplify right side
    132,367.20x = 13,930,165,287.36
  5. Step 5: Solve for x
    x = 13,930,165,287.36/132,367.20
  6. Step 6: Final answer
    x = 105,238.80

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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.