Home / 150,543.14-225,814.80-38,231.78

Finding the Fourth Proportional to 150,543.14, 225,814.80 and 38,231.78

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Solution

The fourth proportional to 150,543.14, 225,814.80 and 38,231.78 is: 57,347.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,543.14 : 225,814.80 = 38,231.78 : x
  2. Step 2: Convert to fraction form
    150,543.14/225,814.80 = 38,231.78/x
  3. Step 3: Cross multiply
    150,543.14x = 225,814.80 × 38,231.78
  4. Step 4: Simplify right side
    150,543.14x = 8,633,300,625.27
  5. Step 5: Solve for x
    x = 8,633,300,625.27/150,543.14
  6. Step 6: Final answer
    x = 57,347.69

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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.