Home / 205,658.64-283,823.38-115,023.03

Finding the Fourth Proportional to 205,658.64, 283,823.38 and 115,023.03

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Solution

The fourth proportional to 205,658.64, 283,823.38 and 115,023.03 is: 158,739.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,658.64 : 283,823.38 = 115,023.03 : x
  2. Step 2: Convert to fraction form
    205,658.64/283,823.38 = 115,023.03/x
  3. Step 3: Cross multiply
    205,658.64x = 283,823.38 × 115,023.03
  4. Step 4: Simplify right side
    205,658.64x = 32,646,225,152.44
  5. Step 5: Solve for x
    x = 32,646,225,152.44/205,658.64
  6. Step 6: Final answer
    x = 158,739.87

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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.