Home / 217,982.52-326,964.72-75,860.34

Finding the Fourth Proportional to 217,982.52, 326,964.72 and 75,860.34

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Solution

The fourth proportional to 217,982.52, 326,964.72 and 75,860.34 is: 113,787.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,982.52 : 326,964.72 = 75,860.34 : x
  2. Step 2: Convert to fraction form
    217,982.52/326,964.72 = 75,860.34/x
  3. Step 3: Cross multiply
    217,982.52x = 326,964.72 × 75,860.34
  4. Step 4: Simplify right side
    217,982.52x = 24,803,654,827.20
  5. Step 5: Solve for x
    x = 24,803,654,827.20/217,982.52
  6. Step 6: Final answer
    x = 113,787.36

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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.