Home / 123,717.20-185,575.80-53,733.20

Finding the Fourth Proportional to 123,717.20, 185,575.80 and 53,733.20

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Solution

The fourth proportional to 123,717.20, 185,575.80 and 53,733.20 is: 80,599.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,717.20 : 185,575.80 = 53,733.20 : x
  2. Step 2: Convert to fraction form
    123,717.20/185,575.80 = 53,733.20/x
  3. Step 3: Cross multiply
    123,717.20x = 185,575.80 × 53,733.20
  4. Step 4: Simplify right side
    123,717.20x = 9,971,581,576.56
  5. Step 5: Solve for x
    x = 9,971,581,576.56/123,717.20
  6. Step 6: Final answer
    x = 80,599.80

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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.