Home / 331,536.10-497,304.15-82,218.10

Finding the Fourth Proportional to 331,536.10, 497,304.15 and 82,218.10

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Solution

The fourth proportional to 331,536.10, 497,304.15 and 82,218.10 is: 123,327.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,536.10 : 497,304.15 = 82,218.10 : x
  2. Step 2: Convert to fraction form
    331,536.10/497,304.15 = 82,218.10/x
  3. Step 3: Cross multiply
    331,536.10x = 497,304.15 × 82,218.10
  4. Step 4: Simplify right side
    331,536.10x = 40,887,402,335.12
  5. Step 5: Solve for x
    x = 40,887,402,335.12/331,536.10
  6. Step 6: Final answer
    x = 123,327.15

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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.