Home / 331,359.24-497,097.30-121,290.60

Finding the Fourth Proportional to 331,359.24, 497,097.30 and 121,290.60

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Solution

The fourth proportional to 331,359.24, 497,097.30 and 121,290.60 is: 181,957.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,359.24 : 497,097.30 = 121,290.60 : x
  2. Step 2: Convert to fraction form
    331,359.24/497,097.30 = 121,290.60/x
  3. Step 3: Cross multiply
    331,359.24x = 497,097.30 × 121,290.60
  4. Step 4: Simplify right side
    331,359.24x = 60,293,229,775.38
  5. Step 5: Solve for x
    x = 60,293,229,775.38/331,359.24
  6. Step 6: Final answer
    x = 181,957.29

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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.