Home / 136,081.76-204,122.66-36,237.02

Finding the Fourth Proportional to 136,081.76, 204,122.66 and 36,237.02

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Solution

The fourth proportional to 136,081.76, 204,122.66 and 36,237.02 is: 54,355.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,081.76 : 204,122.66 = 36,237.02 : x
  2. Step 2: Convert to fraction form
    136,081.76/204,122.66 = 36,237.02/x
  3. Step 3: Cross multiply
    136,081.76x = 204,122.66 × 36,237.02
  4. Step 4: Simplify right side
    136,081.76x = 7,396,795,711.07
  5. Step 5: Solve for x
    x = 7,396,795,711.07/136,081.76
  6. Step 6: Final answer
    x = 54,355.53

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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.