Home / 445,556.17-668,306.57-141,942.82

Finding the Fourth Proportional to 445,556.17, 668,306.57 and 141,942.82

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Solution

The fourth proportional to 445,556.17, 668,306.57 and 141,942.82 is: 212,905.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,556.17 : 668,306.57 = 141,942.82 : x
  2. Step 2: Convert to fraction form
    445,556.17/668,306.57 = 141,942.82/x
  3. Step 3: Cross multiply
    445,556.17x = 668,306.57 × 141,942.82
  4. Step 4: Simplify right side
    445,556.17x = 94,861,319,170.33
  5. Step 5: Solve for x
    x = 94,861,319,170.33/445,556.17
  6. Step 6: Final answer
    x = 212,905.41

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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.