Home / 268,633.38-402,442.10-158,760.46

Finding the Fourth Proportional to 268,633.38, 402,442.10 and 158,760.46

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Solution

The fourth proportional to 268,633.38, 402,442.10 and 158,760.46 is: 237,840.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,633.38 : 402,442.10 = 158,760.46 : x
  2. Step 2: Convert to fraction form
    268,633.38/402,442.10 = 158,760.46/x
  3. Step 3: Cross multiply
    268,633.38x = 402,442.10 × 158,760.46
  4. Step 4: Simplify right side
    268,633.38x = 63,891,892,919.37
  5. Step 5: Solve for x
    x = 63,891,892,919.37/268,633.38
  6. Step 6: Final answer
    x = 237,840.48

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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.