Home / 127,451.38-191,144.26-52,592.80

Finding the Fourth Proportional to 127,451.38, 191,144.26 and 52,592.80

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Solution

The fourth proportional to 127,451.38, 191,144.26 and 52,592.80 is: 78,875.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,451.38 : 191,144.26 = 52,592.80 : x
  2. Step 2: Convert to fraction form
    127,451.38/191,144.26 = 52,592.80/x
  3. Step 3: Cross multiply
    127,451.38x = 191,144.26 × 52,592.80
  4. Step 4: Simplify right side
    127,451.38x = 10,052,811,837.33
  5. Step 5: Solve for x
    x = 10,052,811,837.33/127,451.38
  6. Step 6: Final answer
    x = 78,875.66

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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.