Home / 231,153.24-318,967.68-158,618.32

Finding the Fourth Proportional to 231,153.24, 318,967.68 and 158,618.32

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Solution

The fourth proportional to 231,153.24, 318,967.68 and 158,618.32 is: 218,876.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,153.24 : 318,967.68 = 158,618.32 : x
  2. Step 2: Convert to fraction form
    231,153.24/318,967.68 = 158,618.32/x
  3. Step 3: Cross multiply
    231,153.24x = 318,967.68 × 158,618.32
  4. Step 4: Simplify right side
    231,153.24x = 50,594,117,535.90
  5. Step 5: Solve for x
    x = 50,594,117,535.90/231,153.24
  6. Step 6: Final answer
    x = 218,876.96

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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.