Home / 234,231.25-323,239.23-126,801.28

Finding the Fourth Proportional to 234,231.25, 323,239.23 and 126,801.28

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Solution

The fourth proportional to 234,231.25, 323,239.23 and 126,801.28 is: 174,985.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,231.25 : 323,239.23 = 126,801.28 : x
  2. Step 2: Convert to fraction form
    234,231.25/323,239.23 = 126,801.28/x
  3. Step 3: Cross multiply
    234,231.25x = 323,239.23 × 126,801.28
  4. Step 4: Simplify right side
    234,231.25x = 40,987,148,870.89
  5. Step 5: Solve for x
    x = 40,987,148,870.89/234,231.25
  6. Step 6: Final answer
    x = 174,985.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.