Home / 196,534.98-271,225.53-111,666.42

Finding the Fourth Proportional to 196,534.98, 271,225.53 and 111,666.42

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Solution

The fourth proportional to 196,534.98, 271,225.53 and 111,666.42 is: 154,103.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,534.98 : 271,225.53 = 111,666.42 : x
  2. Step 2: Convert to fraction form
    196,534.98/271,225.53 = 111,666.42/x
  3. Step 3: Cross multiply
    196,534.98x = 271,225.53 × 111,666.42
  4. Step 4: Simplify right side
    196,534.98x = 30,286,783,947.70
  5. Step 5: Solve for x
    x = 30,286,783,947.70/196,534.98
  6. Step 6: Final answer
    x = 154,103.78

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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.