Home / 137,952.20-206,576.94-91,061.96

Finding the Fourth Proportional to 137,952.20, 206,576.94 and 91,061.96

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Solution

The fourth proportional to 137,952.20, 206,576.94 and 91,061.96 is: 136,361.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,952.20 : 206,576.94 = 91,061.96 : x
  2. Step 2: Convert to fraction form
    137,952.20/206,576.94 = 91,061.96/x
  3. Step 3: Cross multiply
    137,952.20x = 206,576.94 × 91,061.96
  4. Step 4: Simplify right side
    137,952.20x = 18,811,301,047.20
  5. Step 5: Solve for x
    x = 18,811,301,047.20/137,952.20
  6. Step 6: Final answer
    x = 136,361.01

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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.