Home / 133,715.84-200,575.20-54,775.04

Finding the Fourth Proportional to 133,715.84, 200,575.20 and 54,775.04

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Solution

The fourth proportional to 133,715.84, 200,575.20 and 54,775.04 is: 82,163.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,715.84 : 200,575.20 = 54,775.04 : x
  2. Step 2: Convert to fraction form
    133,715.84/200,575.20 = 54,775.04/x
  3. Step 3: Cross multiply
    133,715.84x = 200,575.20 × 54,775.04
  4. Step 4: Simplify right side
    133,715.84x = 10,986,514,603.01
  5. Step 5: Solve for x
    x = 10,986,514,603.01/133,715.84
  6. Step 6: Final answer
    x = 82,163.15

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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.