Home / 158,446.91-237,546.97-78,429.65

Finding the Fourth Proportional to 158,446.91, 237,546.97 and 78,429.65

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Solution

The fourth proportional to 158,446.91, 237,546.97 and 78,429.65 is: 117,583.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,446.91 : 237,546.97 = 78,429.65 : x
  2. Step 2: Convert to fraction form
    158,446.91/237,546.97 = 78,429.65/x
  3. Step 3: Cross multiply
    158,446.91x = 237,546.97 × 78,429.65
  4. Step 4: Simplify right side
    158,446.91x = 18,630,724,331.85
  5. Step 5: Solve for x
    x = 18,630,724,331.85/158,446.91
  6. Step 6: Final answer
    x = 117,583.39

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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.