Home / 137,261.45-205,872.66-53,061.27

Finding the Fourth Proportional to 137,261.45, 205,872.66 and 53,061.27

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Solution

The fourth proportional to 137,261.45, 205,872.66 and 53,061.27 is: 79,584.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,261.45 : 205,872.66 = 53,061.27 : x
  2. Step 2: Convert to fraction form
    137,261.45/205,872.66 = 53,061.27/x
  3. Step 3: Cross multiply
    137,261.45x = 205,872.66 × 53,061.27
  4. Step 4: Simplify right side
    137,261.45x = 10,923,864,797.88
  5. Step 5: Solve for x
    x = 10,923,864,797.88/137,261.45
  6. Step 6: Final answer
    x = 79,584.36

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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.