Home / 411,112.16-616,738.68-141,227.47

Finding the Fourth Proportional to 411,112.16, 616,738.68 and 141,227.47

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Solution

The fourth proportional to 411,112.16, 616,738.68 and 141,227.47 is: 211,865.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,112.16 : 616,738.68 = 141,227.47 : x
  2. Step 2: Convert to fraction form
    411,112.16/616,738.68 = 141,227.47/x
  3. Step 3: Cross multiply
    411,112.16x = 616,738.68 × 141,227.47
  4. Step 4: Simplify right side
    411,112.16x = 87,100,441,885.69
  5. Step 5: Solve for x
    x = 87,100,441,885.69/411,112.16
  6. Step 6: Final answer
    x = 211,865.40

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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.