Home / 131,242.06-196,567.64-91,974.48

Finding the Fourth Proportional to 131,242.06, 196,567.64 and 91,974.48

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Solution

The fourth proportional to 131,242.06, 196,567.64 and 91,974.48 is: 137,754.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,242.06 : 196,567.64 = 91,974.48 : x
  2. Step 2: Convert to fraction form
    131,242.06/196,567.64 = 91,974.48/x
  3. Step 3: Cross multiply
    131,242.06x = 196,567.64 × 91,974.48
  4. Step 4: Simplify right side
    131,242.06x = 18,079,205,490.99
  5. Step 5: Solve for x
    x = 18,079,205,490.99/131,242.06
  6. Step 6: Final answer
    x = 137,754.66

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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.