Home / 343,837.01-515,761.91-119,204.78

Finding the Fourth Proportional to 343,837.01, 515,761.91 and 119,204.78

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Solution

The fourth proportional to 343,837.01, 515,761.91 and 119,204.78 is: 178,809.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,837.01 : 515,761.91 = 119,204.78 : x
  2. Step 2: Convert to fraction form
    343,837.01/515,761.91 = 119,204.78/x
  3. Step 3: Cross multiply
    343,837.01x = 515,761.91 × 119,204.78
  4. Step 4: Simplify right side
    343,837.01x = 61,481,281,839.10
  5. Step 5: Solve for x
    x = 61,481,281,839.10/343,837.01
  6. Step 6: Final answer
    x = 178,809.38

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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.