Home / 205,819.64-284,046.36-115,184.68

Finding the Fourth Proportional to 205,819.64, 284,046.36 and 115,184.68

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Solution

The fourth proportional to 205,819.64, 284,046.36 and 115,184.68 is: 158,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,819.64 : 284,046.36 = 115,184.68 : x
  2. Step 2: Convert to fraction form
    205,819.64/284,046.36 = 115,184.68/x
  3. Step 3: Cross multiply
    205,819.64x = 284,046.36 × 115,184.68
  4. Step 4: Simplify right side
    205,819.64x = 32,717,789,081.76
  5. Step 5: Solve for x
    x = 32,717,789,081.76/205,819.64
  6. Step 6: Final answer
    x = 158,963.40

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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.