Home / 205,147.23-283,321.44-156,225.87

Finding the Fourth Proportional to 205,147.23, 283,321.44 and 156,225.87

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Solution

The fourth proportional to 205,147.23, 283,321.44 and 156,225.87 is: 215,757.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,147.23 : 283,321.44 = 156,225.87 : x
  2. Step 2: Convert to fraction form
    205,147.23/283,321.44 = 156,225.87/x
  3. Step 3: Cross multiply
    205,147.23x = 283,321.44 × 156,225.87
  4. Step 4: Simplify right side
    205,147.23x = 44,262,138,453.65
  5. Step 5: Solve for x
    x = 44,262,138,453.65/205,147.23
  6. Step 6: Final answer
    x = 215,757.91

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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.