Home / 151,240.23-208,704.36-83,255.82

Finding the Fourth Proportional to 151,240.23, 208,704.36 and 83,255.82

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Solution

The fourth proportional to 151,240.23, 208,704.36 and 83,255.82 is: 114,889.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,240.23 : 208,704.36 = 83,255.82 : x
  2. Step 2: Convert to fraction form
    151,240.23/208,704.36 = 83,255.82/x
  3. Step 3: Cross multiply
    151,240.23x = 208,704.36 × 83,255.82
  4. Step 4: Simplify right side
    151,240.23x = 17,375,852,629.38
  5. Step 5: Solve for x
    x = 17,375,852,629.38/151,240.23
  6. Step 6: Final answer
    x = 114,889.09

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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.