Home / 151,975.20-228,092.40-67,864.80

Finding the Fourth Proportional to 151,975.20, 228,092.40 and 67,864.80

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Solution

The fourth proportional to 151,975.20, 228,092.40 and 67,864.80 is: 101,855.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,975.20 : 228,092.40 = 67,864.80 : x
  2. Step 2: Convert to fraction form
    151,975.20/228,092.40 = 67,864.80/x
  3. Step 3: Cross multiply
    151,975.20x = 228,092.40 × 67,864.80
  4. Step 4: Simplify right side
    151,975.20x = 15,479,445,107.52
  5. Step 5: Solve for x
    x = 15,479,445,107.52/151,975.20
  6. Step 6: Final answer
    x = 101,855.07

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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.