Home / 220,072.21-303,706.87-124,576.85

Finding the Fourth Proportional to 220,072.21, 303,706.87 and 124,576.85

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Solution

The fourth proportional to 220,072.21, 303,706.87 and 124,576.85 is: 171,920.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,072.21 : 303,706.87 = 124,576.85 : x
  2. Step 2: Convert to fraction form
    220,072.21/303,706.87 = 124,576.85/x
  3. Step 3: Cross multiply
    220,072.21x = 303,706.87 × 124,576.85
  4. Step 4: Simplify right side
    220,072.21x = 37,834,845,635.78
  5. Step 5: Solve for x
    x = 37,834,845,635.78/220,072.21
  6. Step 6: Final answer
    x = 171,920.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.