Home / 140,935.50-194,593.05-90,721.98

Finding the Fourth Proportional to 140,935.50, 194,593.05 and 90,721.98

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Solution

The fourth proportional to 140,935.50, 194,593.05 and 90,721.98 is: 125,262.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,935.50 : 194,593.05 = 90,721.98 : x
  2. Step 2: Convert to fraction form
    140,935.50/194,593.05 = 90,721.98/x
  3. Step 3: Cross multiply
    140,935.50x = 194,593.05 × 90,721.98
  4. Step 4: Simplify right side
    140,935.50x = 17,653,866,790.24
  5. Step 5: Solve for x
    x = 17,653,866,790.24/140,935.50
  6. Step 6: Final answer
    x = 125,262.03

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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.