Home / 136,001.60-187,679.71-75,571.14

Finding the Fourth Proportional to 136,001.60, 187,679.71 and 75,571.14

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Solution

The fourth proportional to 136,001.60, 187,679.71 and 75,571.14 is: 104,286.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,001.60 : 187,679.71 = 75,571.14 : x
  2. Step 2: Convert to fraction form
    136,001.60/187,679.71 = 75,571.14/x
  3. Step 3: Cross multiply
    136,001.60x = 187,679.71 × 75,571.14
  4. Step 4: Simplify right side
    136,001.60x = 14,183,169,639.57
  5. Step 5: Solve for x
    x = 14,183,169,639.57/136,001.60
  6. Step 6: Final answer
    x = 104,286.79

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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.