Home / 154,718.52-231,781.32-104,712.36

Finding the Fourth Proportional to 154,718.52, 231,781.32 and 104,712.36

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Solution

The fourth proportional to 154,718.52, 231,781.32 and 104,712.36 is: 156,867.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,718.52 : 231,781.32 = 104,712.36 : x
  2. Step 2: Convert to fraction form
    154,718.52/231,781.32 = 104,712.36/x
  3. Step 3: Cross multiply
    154,718.52x = 231,781.32 × 104,712.36
  4. Step 4: Simplify right side
    154,718.52x = 24,270,369,021.12
  5. Step 5: Solve for x
    x = 24,270,369,021.12/154,718.52
  6. Step 6: Final answer
    x = 156,867.90

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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.