Home / 118,158.20-177,270.78-48,087.80

Finding the Fourth Proportional to 118,158.20, 177,270.78 and 48,087.80

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Solution

The fourth proportional to 118,158.20, 177,270.78 and 48,087.80 is: 72,145.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,158.20 : 177,270.78 = 48,087.80 : x
  2. Step 2: Convert to fraction form
    118,158.20/177,270.78 = 48,087.80/x
  3. Step 3: Cross multiply
    118,158.20x = 177,270.78 × 48,087.80
  4. Step 4: Simplify right side
    118,158.20x = 8,524,561,814.48
  5. Step 5: Solve for x
    x = 8,524,561,814.48/118,158.20
  6. Step 6: Final answer
    x = 72,145.33

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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.