Home / 205,720.24-283,920.18-115,081.24

Finding the Fourth Proportional to 205,720.24, 283,920.18 and 115,081.24

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Solution

The fourth proportional to 205,720.24, 283,920.18 and 115,081.24 is: 158,826.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,720.24 : 283,920.18 = 115,081.24 : x
  2. Step 2: Convert to fraction form
    205,720.24/283,920.18 = 115,081.24/x
  3. Step 3: Cross multiply
    205,720.24x = 283,920.18 × 115,081.24
  4. Step 4: Simplify right side
    205,720.24x = 32,673,886,375.42
  5. Step 5: Solve for x
    x = 32,673,886,375.42/205,720.24
  6. Step 6: Final answer
    x = 158,826.79

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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.