Home / 236,121.62-354,287.12-123,775.02

Finding the Fourth Proportional to 236,121.62, 354,287.12 and 123,775.02

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Solution

The fourth proportional to 236,121.62, 354,287.12 and 123,775.02 is: 185,717.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,121.62 : 354,287.12 = 123,775.02 : x
  2. Step 2: Convert to fraction form
    236,121.62/354,287.12 = 123,775.02/x
  3. Step 3: Cross multiply
    236,121.62x = 354,287.12 × 123,775.02
  4. Step 4: Simplify right side
    236,121.62x = 43,851,897,001.76
  5. Step 5: Solve for x
    x = 43,851,897,001.76/236,121.62
  6. Step 6: Final answer
    x = 185,717.42

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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.