Home / 204,976.15-307,319.02-91,061.39

Finding the Fourth Proportional to 204,976.15, 307,319.02 and 91,061.39

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Solution

The fourth proportional to 204,976.15, 307,319.02 and 91,061.39 is: 136,527.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,976.15 : 307,319.02 = 91,061.39 : x
  2. Step 2: Convert to fraction form
    204,976.15/307,319.02 = 91,061.39/x
  3. Step 3: Cross multiply
    204,976.15x = 307,319.02 × 91,061.39
  4. Step 4: Simplify right side
    204,976.15x = 27,984,897,134.64
  5. Step 5: Solve for x
    x = 27,984,897,134.64/204,976.15
  6. Step 6: Final answer
    x = 136,527.58

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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.