Home / 133,044.20-199,566.30-54,117.80

Finding the Fourth Proportional to 133,044.20, 199,566.30 and 54,117.80

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Solution

The fourth proportional to 133,044.20, 199,566.30 and 54,117.80 is: 81,176.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,044.20 : 199,566.30 = 54,117.80 : x
  2. Step 2: Convert to fraction form
    133,044.20/199,566.30 = 54,117.80/x
  3. Step 3: Cross multiply
    133,044.20x = 199,566.30 × 54,117.80
  4. Step 4: Simplify right side
    133,044.20x = 10,800,089,110.14
  5. Step 5: Solve for x
    x = 10,800,089,110.14/133,044.20
  6. Step 6: Final answer
    x = 81,176.70

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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.