Home / 131,828.30-181,926.16-75,244.94

Finding the Fourth Proportional to 131,828.30, 181,926.16 and 75,244.94

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Solution

The fourth proportional to 131,828.30, 181,926.16 and 75,244.94 is: 103,839.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,828.30 : 181,926.16 = 75,244.94 : x
  2. Step 2: Convert to fraction form
    131,828.30/181,926.16 = 75,244.94/x
  3. Step 3: Cross multiply
    131,828.30x = 181,926.16 × 75,244.94
  4. Step 4: Simplify right side
    131,828.30x = 13,689,021,895.89
  5. Step 5: Solve for x
    x = 13,689,021,895.89/131,828.30
  6. Step 6: Final answer
    x = 103,839.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.