Home / 149,936.72-224,793.97-90,758.39

Finding the Fourth Proportional to 149,936.72, 224,793.97 and 90,758.39

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Solution

The fourth proportional to 149,936.72, 224,793.97 and 90,758.39 is: 136,070.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,936.72 : 224,793.97 = 90,758.39 : x
  2. Step 2: Convert to fraction form
    149,936.72/224,793.97 = 90,758.39/x
  3. Step 3: Cross multiply
    149,936.72x = 224,793.97 × 90,758.39
  4. Step 4: Simplify right side
    149,936.72x = 20,401,937,448.04
  5. Step 5: Solve for x
    x = 20,401,937,448.04/149,936.72
  6. Step 6: Final answer
    x = 136,070.32

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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.