Home / 151,838.52-227,896.02-80,820.81

Finding the Fourth Proportional to 151,838.52, 227,896.02 and 80,820.81

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Solution

The fourth proportional to 151,838.52, 227,896.02 and 80,820.81 is: 121,304.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,838.52 : 227,896.02 = 80,820.81 : x
  2. Step 2: Convert to fraction form
    151,838.52/227,896.02 = 80,820.81/x
  3. Step 3: Cross multiply
    151,838.52x = 227,896.02 × 80,820.81
  4. Step 4: Simplify right side
    151,838.52x = 18,418,740,932.18
  5. Step 5: Solve for x
    x = 18,418,740,932.18/151,838.52
  6. Step 6: Final answer
    x = 121,304.80

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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.