Home / 335,919.69-503,876.40-136,192.61

Finding the Fourth Proportional to 335,919.69, 503,876.40 and 136,192.61

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Solution

The fourth proportional to 335,919.69, 503,876.40 and 136,192.61 is: 204,287.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,919.69 : 503,876.40 = 136,192.61 : x
  2. Step 2: Convert to fraction form
    335,919.69/503,876.40 = 136,192.61/x
  3. Step 3: Cross multiply
    335,919.69x = 503,876.40 × 136,192.61
  4. Step 4: Simplify right side
    335,919.69x = 68,624,239,514.02
  5. Step 5: Solve for x
    x = 68,624,239,514.02/335,919.69
  6. Step 6: Final answer
    x = 204,287.64

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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.