Home / 410,837.85-616,221.99-140,943.81

Finding the Fourth Proportional to 410,837.85, 616,221.99 and 140,943.81

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Solution

The fourth proportional to 410,837.85, 616,221.99 and 140,943.81 is: 211,403.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,837.85 : 616,221.99 = 140,943.81 : x
  2. Step 2: Convert to fraction form
    410,837.85/616,221.99 = 140,943.81/x
  3. Step 3: Cross multiply
    410,837.85x = 616,221.99 × 140,943.81
  4. Step 4: Simplify right side
    410,837.85x = 86,852,675,076.38
  5. Step 5: Solve for x
    x = 86,852,675,076.38/410,837.85
  6. Step 6: Final answer
    x = 211,403.78

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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.