Home / 205,776.39-283,982.42-115,126.93

Finding the Fourth Proportional to 205,776.39, 283,982.42 and 115,126.93

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Solution

The fourth proportional to 205,776.39, 283,982.42 and 115,126.93 is: 158,881.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,776.39 : 283,982.42 = 115,126.93 : x
  2. Step 2: Convert to fraction form
    205,776.39/283,982.42 = 115,126.93/x
  3. Step 3: Cross multiply
    205,776.39x = 283,982.42 × 115,126.93
  4. Step 4: Simplify right side
    205,776.39x = 32,694,024,188.57
  5. Step 5: Solve for x
    x = 32,694,024,188.57/205,776.39
  6. Step 6: Final answer
    x = 158,881.32

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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.