Home / 196,518.98-271,119.20-120,936.26

Finding the Fourth Proportional to 196,518.98, 271,119.20 and 120,936.26

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Solution

The fourth proportional to 196,518.98, 271,119.20 and 120,936.26 is: 166,844.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,518.98 : 271,119.20 = 120,936.26 : x
  2. Step 2: Convert to fraction form
    196,518.98/271,119.20 = 120,936.26/x
  3. Step 3: Cross multiply
    196,518.98x = 271,119.20 × 120,936.26
  4. Step 4: Simplify right side
    196,518.98x = 32,788,142,062.19
  5. Step 5: Solve for x
    x = 32,788,142,062.19/196,518.98
  6. Step 6: Final answer
    x = 166,844.66

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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.