Home / 196,954.79-271,418.38-143,154.59

Finding the Fourth Proportional to 196,954.79, 271,418.38 and 143,154.59

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Solution

The fourth proportional to 196,954.79, 271,418.38 and 143,154.59 is: 197,277.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,954.79 : 271,418.38 = 143,154.59 : x
  2. Step 2: Convert to fraction form
    196,954.79/271,418.38 = 143,154.59/x
  3. Step 3: Cross multiply
    196,954.79x = 271,418.38 × 143,154.59
  4. Step 4: Simplify right side
    196,954.79x = 38,854,785,192.39
  5. Step 5: Solve for x
    x = 38,854,785,192.39/196,954.79
  6. Step 6: Final answer
    x = 197,277.69

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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.