Home / 243,310.16-335,979.42-152,823.44

Finding the Fourth Proportional to 243,310.16, 335,979.42 and 152,823.44

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Solution

The fourth proportional to 243,310.16, 335,979.42 and 152,823.44 is: 211,029.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,310.16 : 335,979.42 = 152,823.44 : x
  2. Step 2: Convert to fraction form
    243,310.16/335,979.42 = 152,823.44/x
  3. Step 3: Cross multiply
    243,310.16x = 335,979.42 × 152,823.44
  4. Step 4: Simplify right side
    243,310.16x = 51,345,530,733.60
  5. Step 5: Solve for x
    x = 51,345,530,733.60/243,310.16
  6. Step 6: Final answer
    x = 211,029.13

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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.