Home / 205,680.28-283,837.15-115,036.17

Finding the Fourth Proportional to 205,680.28, 283,837.15 and 115,036.17

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Solution

The fourth proportional to 205,680.28, 283,837.15 and 115,036.17 is: 158,749.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,680.28 : 283,837.15 = 115,036.17 : x
  2. Step 2: Convert to fraction form
    205,680.28/283,837.15 = 115,036.17/x
  3. Step 3: Cross multiply
    205,680.28x = 283,837.15 × 115,036.17
  4. Step 4: Simplify right side
    205,680.28x = 32,651,540,194.88
  5. Step 5: Solve for x
    x = 32,651,540,194.88/205,680.28
  6. Step 6: Final answer
    x = 158,749.01

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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.