Home / 186,839.74-280,376.25-136,144.54

Finding the Fourth Proportional to 186,839.74, 280,376.25 and 136,144.54

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Solution

The fourth proportional to 186,839.74, 280,376.25 and 136,144.54 is: 204,301.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,839.74 : 280,376.25 = 136,144.54 : x
  2. Step 2: Convert to fraction form
    186,839.74/280,376.25 = 136,144.54/x
  3. Step 3: Cross multiply
    186,839.74x = 280,376.25 × 136,144.54
  4. Step 4: Simplify right side
    186,839.74x = 38,171,695,583.18
  5. Step 5: Solve for x
    x = 38,171,695,583.18/186,839.74
  6. Step 6: Final answer
    x = 204,301.80

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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.