Home / 196,439.58-271,079.37-120,086.55

Finding the Fourth Proportional to 196,439.58, 271,079.37 and 120,086.55

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Solution

The fourth proportional to 196,439.58, 271,079.37 and 120,086.55 is: 165,715.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,439.58 : 271,079.37 = 120,086.55 : x
  2. Step 2: Convert to fraction form
    196,439.58/271,079.37 = 120,086.55/x
  3. Step 3: Cross multiply
    196,439.58x = 271,079.37 × 120,086.55
  4. Step 4: Simplify right side
    196,439.58x = 32,552,986,319.47
  5. Step 5: Solve for x
    x = 32,552,986,319.47/196,439.58
  6. Step 6: Final answer
    x = 165,715.01

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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.