Home / 166,529.92-249,876.92-77,770.56

Finding the Fourth Proportional to 166,529.92, 249,876.92 and 77,770.56

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Solution

The fourth proportional to 166,529.92, 249,876.92 and 77,770.56 is: 116,694.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,529.92 : 249,876.92 = 77,770.56 : x
  2. Step 2: Convert to fraction form
    166,529.92/249,876.92 = 77,770.56/x
  3. Step 3: Cross multiply
    166,529.92x = 249,876.92 × 77,770.56
  4. Step 4: Simplify right side
    166,529.92x = 19,433,067,999.48
  5. Step 5: Solve for x
    x = 19,433,067,999.48/166,529.92
  6. Step 6: Final answer
    x = 116,694.15

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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.