Home / 196,544.91-271,267.98-128,622.17

Finding the Fourth Proportional to 196,544.91, 271,267.98 and 128,622.17

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Solution

The fourth proportional to 196,544.91, 271,267.98 and 128,622.17 is: 177,522.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,544.91 : 271,267.98 = 128,622.17 : x
  2. Step 2: Convert to fraction form
    196,544.91/271,267.98 = 128,622.17/x
  3. Step 3: Cross multiply
    196,544.91x = 271,267.98 × 128,622.17
  4. Step 4: Simplify right side
    196,544.91x = 34,891,074,882.78
  5. Step 5: Solve for x
    x = 34,891,074,882.78/196,544.91
  6. Step 6: Final answer
    x = 177,522.15

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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.