Home / 119,690.48-165,180.13-65,975.33

Finding the Fourth Proportional to 119,690.48, 165,180.13 and 65,975.33

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Solution

The fourth proportional to 119,690.48, 165,180.13 and 65,975.33 is: 91,049.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,690.48 : 165,180.13 = 65,975.33 : x
  2. Step 2: Convert to fraction form
    119,690.48/165,180.13 = 65,975.33/x
  3. Step 3: Cross multiply
    119,690.48x = 165,180.13 × 65,975.33
  4. Step 4: Simplify right side
    119,690.48x = 10,897,813,834.20
  5. Step 5: Solve for x
    x = 10,897,813,834.20/119,690.48
  6. Step 6: Final answer
    x = 91,049.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.