Home / 151,146.53-226,470.68-87,788.80

Finding the Fourth Proportional to 151,146.53, 226,470.68 and 87,788.80

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Solution

The fourth proportional to 151,146.53, 226,470.68 and 87,788.80 is: 131,538.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,146.53 : 226,470.68 = 87,788.80 : x
  2. Step 2: Convert to fraction form
    151,146.53/226,470.68 = 87,788.80/x
  3. Step 3: Cross multiply
    151,146.53x = 226,470.68 × 87,788.80
  4. Step 4: Simplify right side
    151,146.53x = 19,881,588,721.08
  5. Step 5: Solve for x
    x = 19,881,588,721.08/151,146.53
  6. Step 6: Final answer
    x = 131,538.51

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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.