Home / 192,121.76-287,592.14-163,778.24

Finding the Fourth Proportional to 192,121.76, 287,592.14 and 163,778.24

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Solution

The fourth proportional to 192,121.76, 287,592.14 and 163,778.24 is: 245,163.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,121.76 : 287,592.14 = 163,778.24 : x
  2. Step 2: Convert to fraction form
    192,121.76/287,592.14 = 163,778.24/x
  3. Step 3: Cross multiply
    192,121.76x = 287,592.14 × 163,778.24
  4. Step 4: Simplify right side
    192,121.76x = 47,101,332,270.18
  5. Step 5: Solve for x
    x = 47,101,332,270.18/192,121.76
  6. Step 6: Final answer
    x = 245,163.97

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1.5x scale

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.