Home / 133,094.20-199,641.30-54,167.80

Finding the Fourth Proportional to 133,094.20, 199,641.30 and 54,167.80

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Solution

The fourth proportional to 133,094.20, 199,641.30 and 54,167.80 is: 81,251.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,094.20 : 199,641.30 = 54,167.80 : x
  2. Step 2: Convert to fraction form
    133,094.20/199,641.30 = 54,167.80/x
  3. Step 3: Cross multiply
    133,094.20x = 199,641.30 × 54,167.80
  4. Step 4: Simplify right side
    133,094.20x = 10,814,130,010.14
  5. Step 5: Solve for x
    x = 10,814,130,010.14/133,094.20
  6. Step 6: Final answer
    x = 81,251.70

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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.