Home / 214,400.70-321,535.17-148,265.82

Finding the Fourth Proportional to 214,400.70, 321,535.17 and 148,265.82

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Solution

The fourth proportional to 214,400.70, 321,535.17 and 148,265.82 is: 222,353.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,400.70 : 321,535.17 = 148,265.82 : x
  2. Step 2: Convert to fraction form
    214,400.70/321,535.17 = 148,265.82/x
  3. Step 3: Cross multiply
    214,400.70x = 321,535.17 × 148,265.82
  4. Step 4: Simplify right side
    214,400.70x = 47,672,675,638.89
  5. Step 5: Solve for x
    x = 47,672,675,638.89/214,400.70
  6. Step 6: Final answer
    x = 222,353.17

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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.