Home / 140,246.10-193,540.68-79,821.36

Finding the Fourth Proportional to 140,246.10, 193,540.68 and 79,821.36

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Solution

The fourth proportional to 140,246.10, 193,540.68 and 79,821.36 is: 110,154.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,246.10 : 193,540.68 = 79,821.36 : x
  2. Step 2: Convert to fraction form
    140,246.10/193,540.68 = 79,821.36/x
  3. Step 3: Cross multiply
    140,246.10x = 193,540.68 × 79,821.36
  4. Step 4: Simplify right side
    140,246.10x = 15,448,680,292.92
  5. Step 5: Solve for x
    x = 15,448,680,292.92/140,246.10
  6. Step 6: Final answer
    x = 110,154.08

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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.