Home / 204,733.56-307,042.02-129,740.52

Finding the Fourth Proportional to 204,733.56, 307,042.02 and 129,740.52

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Solution

The fourth proportional to 204,733.56, 307,042.02 and 129,740.52 is: 194,573.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,733.56 : 307,042.02 = 129,740.52 : x
  2. Step 2: Convert to fraction form
    204,733.56/307,042.02 = 129,740.52/x
  3. Step 3: Cross multiply
    204,733.56x = 307,042.02 × 129,740.52
  4. Step 4: Simplify right side
    204,733.56x = 39,835,791,336.65
  5. Step 5: Solve for x
    x = 39,835,791,336.65/204,733.56
  6. Step 6: Final answer
    x = 194,573.82

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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.