Home / 133,424.82-200,136.74-53,498.52

Finding the Fourth Proportional to 133,424.82, 200,136.74 and 53,498.52

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Solution

The fourth proportional to 133,424.82, 200,136.74 and 53,498.52 is: 80,247.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,424.82 : 200,136.74 = 53,498.52 : x
  2. Step 2: Convert to fraction form
    133,424.82/200,136.74 = 53,498.52/x
  3. Step 3: Cross multiply
    133,424.82x = 200,136.74 × 53,498.52
  4. Step 4: Simplify right side
    133,424.82x = 10,707,019,120.13
  5. Step 5: Solve for x
    x = 10,707,019,120.13/133,424.82
  6. Step 6: Final answer
    x = 80,247.58

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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.