Home / 331,335.24-497,061.30-121,266.60

Finding the Fourth Proportional to 331,335.24, 497,061.30 and 121,266.60

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Solution

The fourth proportional to 331,335.24, 497,061.30 and 121,266.60 is: 181,921.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,335.24 : 497,061.30 = 121,266.60 : x
  2. Step 2: Convert to fraction form
    331,335.24/497,061.30 = 121,266.60/x
  3. Step 3: Cross multiply
    331,335.24x = 497,061.30 × 121,266.60
  4. Step 4: Simplify right side
    331,335.24x = 60,276,933,842.58
  5. Step 5: Solve for x
    x = 60,276,933,842.58/331,335.24
  6. Step 6: Final answer
    x = 181,921.29

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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.