Home / 168,041.28-231,886.08-92,589.78

Finding the Fourth Proportional to 168,041.28, 231,886.08 and 92,589.78

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Solution

The fourth proportional to 168,041.28, 231,886.08 and 92,589.78 is: 127,767.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,041.28 : 231,886.08 = 92,589.78 : x
  2. Step 2: Convert to fraction form
    168,041.28/231,886.08 = 92,589.78/x
  3. Step 3: Cross multiply
    168,041.28x = 231,886.08 × 92,589.78
  4. Step 4: Simplify right side
    168,041.28x = 21,470,281,132.26
  5. Step 5: Solve for x
    x = 21,470,281,132.26/168,041.28
  6. Step 6: Final answer
    x = 127,767.90

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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.