Home / 96,540.20-144,810.30-79,809.65

Finding the Fourth Proportional to 96,540.20, 144,810.30 and 79,809.65

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Solution

The fourth proportional to 96,540.20, 144,810.30 and 79,809.65 is: 119,714.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,540.20 : 144,810.30 = 79,809.65 : x
  2. Step 2: Convert to fraction form
    96,540.20/144,810.30 = 79,809.65/x
  3. Step 3: Cross multiply
    96,540.20x = 144,810.30 × 79,809.65
  4. Step 4: Simplify right side
    96,540.20x = 11,557,259,359.40
  5. Step 5: Solve for x
    x = 11,557,259,359.40/96,540.20
  6. Step 6: Final answer
    x = 119,714.48

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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.