Home / 195,200.96-292,871.68-76,806.72

Finding the Fourth Proportional to 195,200.96, 292,871.68 and 76,806.72

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Solution

The fourth proportional to 195,200.96, 292,871.68 and 76,806.72 is: 115,237.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,200.96 : 292,871.68 = 76,806.72 : x
  2. Step 2: Convert to fraction form
    195,200.96/292,871.68 = 76,806.72/x
  3. Step 3: Cross multiply
    195,200.96x = 292,871.68 × 76,806.72
  4. Step 4: Simplify right side
    195,200.96x = 22,494,513,121.69
  5. Step 5: Solve for x
    x = 22,494,513,121.69/195,200.96
  6. Step 6: Final answer
    x = 115,237.72

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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.