Home / 133,515.32-200,279.12-74,306.37

Finding the Fourth Proportional to 133,515.32, 200,279.12 and 74,306.37

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Solution

The fourth proportional to 133,515.32, 200,279.12 and 74,306.37 is: 111,462.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,515.32 : 200,279.12 = 74,306.37 : x
  2. Step 2: Convert to fraction form
    133,515.32/200,279.12 = 74,306.37/x
  3. Step 3: Cross multiply
    133,515.32x = 200,279.12 × 74,306.37
  4. Step 4: Simplify right side
    133,515.32x = 14,882,014,022.46
  5. Step 5: Solve for x
    x = 14,882,014,022.46/133,515.32
  6. Step 6: Final answer
    x = 111,462.97

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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.