Home / 196,432.54-271,069.71-120,079.51

Finding the Fourth Proportional to 196,432.54, 271,069.71 and 120,079.51

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Solution

The fourth proportional to 196,432.54, 271,069.71 and 120,079.51 is: 165,705.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,432.54 : 271,069.71 = 120,079.51 : x
  2. Step 2: Convert to fraction form
    196,432.54/271,069.71 = 120,079.51/x
  3. Step 3: Cross multiply
    196,432.54x = 271,069.71 × 120,079.51
  4. Step 4: Simplify right side
    196,432.54x = 32,549,917,952.64
  5. Step 5: Solve for x
    x = 32,549,917,952.64/196,432.54
  6. Step 6: Final answer
    x = 165,705.33

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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.