Home / 115,064.92-172,604.82-36,182.20

Finding the Fourth Proportional to 115,064.92, 172,604.82 and 36,182.20

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Solution

The fourth proportional to 115,064.92, 172,604.82 and 36,182.20 is: 54,275.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,064.92 : 172,604.82 = 36,182.20 : x
  2. Step 2: Convert to fraction form
    115,064.92/172,604.82 = 36,182.20/x
  3. Step 3: Cross multiply
    115,064.92x = 172,604.82 × 36,182.20
  4. Step 4: Simplify right side
    115,064.92x = 6,245,222,118.20
  5. Step 5: Solve for x
    x = 6,245,222,118.20/115,064.92
  6. Step 6: Final answer
    x = 54,275.64

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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.