Home / 219,743.78-303,244.74-124,253.88

Finding the Fourth Proportional to 219,743.78, 303,244.74 and 124,253.88

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Solution

The fourth proportional to 219,743.78, 303,244.74 and 124,253.88 is: 171,469.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,743.78 : 303,244.74 = 124,253.88 : x
  2. Step 2: Convert to fraction form
    219,743.78/303,244.74 = 124,253.88/x
  3. Step 3: Cross multiply
    219,743.78x = 303,244.74 × 124,253.88
  4. Step 4: Simplify right side
    219,743.78x = 37,679,335,534.59
  5. Step 5: Solve for x
    x = 37,679,335,534.59/219,743.78
  6. Step 6: Final answer
    x = 171,469.41

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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.