Home / 131,882.22-181,982.88-74,515.41

Finding the Fourth Proportional to 131,882.22, 181,982.88 and 74,515.41

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Solution

The fourth proportional to 131,882.22, 181,982.88 and 74,515.41 is: 102,823.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,882.22 : 181,982.88 = 74,515.41 : x
  2. Step 2: Convert to fraction form
    131,882.22/181,982.88 = 74,515.41/x
  3. Step 3: Cross multiply
    131,882.22x = 181,982.88 × 74,515.41
  4. Step 4: Simplify right side
    131,882.22x = 13,560,528,916.18
  5. Step 5: Solve for x
    x = 13,560,528,916.18/131,882.22
  6. Step 6: Final answer
    x = 102,823.03

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Why These Related Problems?

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