Home / 196,747.56-295,122.12-72,088.56

Finding the Fourth Proportional to 196,747.56, 295,122.12 and 72,088.56

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Solution

The fourth proportional to 196,747.56, 295,122.12 and 72,088.56 is: 108,133.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,747.56 : 295,122.12 = 72,088.56 : x
  2. Step 2: Convert to fraction form
    196,747.56/295,122.12 = 72,088.56/x
  3. Step 3: Cross multiply
    196,747.56x = 295,122.12 × 72,088.56
  4. Step 4: Simplify right side
    196,747.56x = 21,274,928,654.95
  5. Step 5: Solve for x
    x = 21,274,928,654.95/196,747.56
  6. Step 6: Final answer
    x = 108,133.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.