Home / 152,203.20-228,434.40-68,092.80

Finding the Fourth Proportional to 152,203.20, 228,434.40 and 68,092.80

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Solution

The fourth proportional to 152,203.20, 228,434.40 and 68,092.80 is: 102,197.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,203.20 : 228,434.40 = 68,092.80 : x
  2. Step 2: Convert to fraction form
    152,203.20/228,434.40 = 68,092.80/x
  3. Step 3: Cross multiply
    152,203.20x = 228,434.40 × 68,092.80
  4. Step 4: Simplify right side
    152,203.20x = 15,554,737,912.32
  5. Step 5: Solve for x
    x = 15,554,737,912.32/152,203.20
  6. Step 6: Final answer
    x = 102,197.18

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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.