Home / 137,163.09-205,723.85-37,331.06

Finding the Fourth Proportional to 137,163.09, 205,723.85 and 37,331.06

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Solution

The fourth proportional to 137,163.09, 205,723.85 and 37,331.06 is: 55,990.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,163.09 : 205,723.85 = 37,331.06 : x
  2. Step 2: Convert to fraction form
    137,163.09/205,723.85 = 37,331.06/x
  3. Step 3: Cross multiply
    137,163.09x = 205,723.85 × 37,331.06
  4. Step 4: Simplify right side
    137,163.09x = 7,679,889,329.70
  5. Step 5: Solve for x
    x = 7,679,889,329.70/137,163.09
  6. Step 6: Final answer
    x = 55,990.93

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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.