Home / 331,967.54-497,951.04-121,621.88

Finding the Fourth Proportional to 331,967.54, 497,951.04 and 121,621.88

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Solution

The fourth proportional to 331,967.54, 497,951.04 and 121,621.88 is: 182,432.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,967.54 : 497,951.04 = 121,621.88 : x
  2. Step 2: Convert to fraction form
    331,967.54/497,951.04 = 121,621.88/x
  3. Step 3: Cross multiply
    331,967.54x = 497,951.04 × 121,621.88
  4. Step 4: Simplify right side
    331,967.54x = 60,561,741,632.76
  5. Step 5: Solve for x
    x = 60,561,741,632.76/331,967.54
  6. Step 6: Final answer
    x = 182,432.72

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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.