Home / 107,271.88-160,934.34-75,743.71

Finding the Fourth Proportional to 107,271.88, 160,934.34 and 75,743.71

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Solution

The fourth proportional to 107,271.88, 160,934.34 and 75,743.71 is: 113,634.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,271.88 : 160,934.34 = 75,743.71 : x
  2. Step 2: Convert to fraction form
    107,271.88/160,934.34 = 75,743.71/x
  3. Step 3: Cross multiply
    107,271.88x = 160,934.34 × 75,743.71
  4. Step 4: Simplify right side
    107,271.88x = 12,189,763,859.70
  5. Step 5: Solve for x
    x = 12,189,763,859.70/107,271.88
  6. Step 6: Final answer
    x = 113,634.29

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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.