Home / 204,741.52-307,173.24-147,943.78

Finding the Fourth Proportional to 204,741.52, 307,173.24 and 147,943.78

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Solution

The fourth proportional to 204,741.52, 307,173.24 and 147,943.78 is: 221,959.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,741.52 : 307,173.24 = 147,943.78 : x
  2. Step 2: Convert to fraction form
    204,741.52/307,173.24 = 147,943.78/x
  3. Step 3: Cross multiply
    204,741.52x = 307,173.24 × 147,943.78
  4. Step 4: Simplify right side
    204,741.52x = 45,444,370,240.45
  5. Step 5: Solve for x
    x = 45,444,370,240.45/204,741.52
  6. Step 6: Final answer
    x = 221,959.72

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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.