Home / 151,239.20-226,858.80-52,743.20

Finding the Fourth Proportional to 151,239.20, 226,858.80 and 52,743.20

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Solution

The fourth proportional to 151,239.20, 226,858.80 and 52,743.20 is: 79,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,239.20 : 226,858.80 = 52,743.20 : x
  2. Step 2: Convert to fraction form
    151,239.20/226,858.80 = 52,743.20/x
  3. Step 3: Cross multiply
    151,239.20x = 226,858.80 × 52,743.20
  4. Step 4: Simplify right side
    151,239.20x = 11,965,259,060.16
  5. Step 5: Solve for x
    x = 11,965,259,060.16/151,239.20
  6. Step 6: Final answer
    x = 79,114.80

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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.