Home / 151,049.40-226,379.70-91,822.20

Finding the Fourth Proportional to 151,049.40, 226,379.70 and 91,822.20

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Solution

The fourth proportional to 151,049.40, 226,379.70 and 91,822.20 is: 137,615.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,049.40 : 226,379.70 = 91,822.20 : x
  2. Step 2: Convert to fraction form
    151,049.40/226,379.70 = 91,822.20/x
  3. Step 3: Cross multiply
    151,049.40x = 226,379.70 × 91,822.20
  4. Step 4: Simplify right side
    151,049.40x = 20,786,682,089.34
  5. Step 5: Solve for x
    x = 20,786,682,089.34/151,049.40
  6. Step 6: Final answer
    x = 137,615.13

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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.