Home / 196,954.66-271,418.20-143,154.46

Finding the Fourth Proportional to 196,954.66, 271,418.20 and 143,154.46

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Solution

The fourth proportional to 196,954.66, 271,418.20 and 143,154.46 is: 197,277.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,954.66 : 271,418.20 = 143,154.46 : x
  2. Step 2: Convert to fraction form
    196,954.66/271,418.20 = 143,154.46/x
  3. Step 3: Cross multiply
    196,954.66x = 271,418.20 × 143,154.46
  4. Step 4: Simplify right side
    196,954.66x = 38,854,725,855.17
  5. Step 5: Solve for x
    x = 38,854,725,855.17/196,954.66
  6. Step 6: Final answer
    x = 197,277.51

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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.