Home / 196,618.32-271,320.84-129,641.04

Finding the Fourth Proportional to 196,618.32, 271,320.84 and 129,641.04

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Solution

The fourth proportional to 196,618.32, 271,320.84 and 129,641.04 is: 178,896.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,618.32 : 271,320.84 = 129,641.04 : x
  2. Step 2: Convert to fraction form
    196,618.32/271,320.84 = 129,641.04/x
  3. Step 3: Cross multiply
    196,618.32x = 271,320.84 × 129,641.04
  4. Step 4: Simplify right side
    196,618.32x = 35,174,315,871.27
  5. Step 5: Solve for x
    x = 35,174,315,871.27/196,618.32
  6. Step 6: Final answer
    x = 178,896.43

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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.