Home / 149,821.76-224,476.82-82,410.19

Finding the Fourth Proportional to 149,821.76, 224,476.82 and 82,410.19

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Solution

The fourth proportional to 149,821.76, 224,476.82 and 82,410.19 is: 123,474.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,821.76 : 224,476.82 = 82,410.19 : x
  2. Step 2: Convert to fraction form
    149,821.76/224,476.82 = 82,410.19/x
  3. Step 3: Cross multiply
    149,821.76x = 224,476.82 × 82,410.19
  4. Step 4: Simplify right side
    149,821.76x = 18,499,176,974.74
  5. Step 5: Solve for x
    x = 18,499,176,974.74/149,821.76
  6. Step 6: Final answer
    x = 123,474.57

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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.