Home / 234,109.80-323,072.66-132,139.58

Finding the Fourth Proportional to 234,109.80, 323,072.66 and 132,139.58

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Solution

The fourth proportional to 234,109.80, 323,072.66 and 132,139.58 is: 182,353.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,109.80 : 323,072.66 = 132,139.58 : x
  2. Step 2: Convert to fraction form
    234,109.80/323,072.66 = 132,139.58/x
  3. Step 3: Cross multiply
    234,109.80x = 323,072.66 × 132,139.58
  4. Step 4: Simplify right side
    234,109.80x = 42,690,684,316.87
  5. Step 5: Solve for x
    x = 42,690,684,316.87/234,109.80
  6. Step 6: Final answer
    x = 182,353.26

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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.