Home / 236,930.76-326,973.24-129,508.02

Finding the Fourth Proportional to 236,930.76, 326,973.24 and 129,508.02

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Solution

The fourth proportional to 236,930.76, 326,973.24 and 129,508.02 is: 178,725.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,930.76 : 326,973.24 = 129,508.02 : x
  2. Step 2: Convert to fraction form
    236,930.76/326,973.24 = 129,508.02/x
  3. Step 3: Cross multiply
    236,930.76x = 326,973.24 × 129,508.02
  4. Step 4: Simplify right side
    236,930.76x = 42,345,656,905.38
  5. Step 5: Solve for x
    x = 42,345,656,905.38/236,930.76
  6. Step 6: Final answer
    x = 178,725.87

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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.