Home / 217,264.08-299,819.20-120,467.44

Finding the Fourth Proportional to 217,264.08, 299,819.20 and 120,467.44

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Solution

The fourth proportional to 217,264.08, 299,819.20 and 120,467.44 is: 166,242.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,264.08 : 299,819.20 = 120,467.44 : x
  2. Step 2: Convert to fraction form
    217,264.08/299,819.20 = 120,467.44/x
  3. Step 3: Cross multiply
    217,264.08x = 299,819.20 × 120,467.44
  4. Step 4: Simplify right side
    217,264.08x = 36,118,451,486.85
  5. Step 5: Solve for x
    x = 36,118,451,486.85/217,264.08
  6. Step 6: Final answer
    x = 166,242.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.