Home / 234,111.48-323,071.38-126,679.20

Finding the Fourth Proportional to 234,111.48, 323,071.38 and 126,679.20

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Solution

The fourth proportional to 234,111.48, 323,071.38 and 126,679.20 is: 174,815.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,111.48 : 323,071.38 = 126,679.20 : x
  2. Step 2: Convert to fraction form
    234,111.48/323,071.38 = 126,679.20/x
  3. Step 3: Cross multiply
    234,111.48x = 323,071.38 × 126,679.20
  4. Step 4: Simplify right side
    234,111.48x = 40,926,423,961.30
  5. Step 5: Solve for x
    x = 40,926,423,961.30/234,111.48
  6. Step 6: Final answer
    x = 174,815.96

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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.