Home / 196,929.32-271,288.32-156,630.20

Finding the Fourth Proportional to 196,929.32, 271,288.32 and 156,630.20

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Solution

The fourth proportional to 196,929.32, 271,288.32 and 156,630.20 is: 215,772.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,929.32 : 271,288.32 = 156,630.20 : x
  2. Step 2: Convert to fraction form
    196,929.32/271,288.32 = 156,630.20/x
  3. Step 3: Cross multiply
    196,929.32x = 271,288.32 × 156,630.20
  4. Step 4: Simplify right side
    196,929.32x = 42,491,943,819.26
  5. Step 5: Solve for x
    x = 42,491,943,819.26/196,929.32
  6. Step 6: Final answer
    x = 215,772.56

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1.5x scale

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.