Home / 196,389.65-271,029.34-147,906.07

Finding the Fourth Proportional to 196,389.65, 271,029.34 and 147,906.07

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Solution

The fourth proportional to 196,389.65, 271,029.34 and 147,906.07 is: 204,119.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,389.65 : 271,029.34 = 147,906.07 : x
  2. Step 2: Convert to fraction form
    196,389.65/271,029.34 = 147,906.07/x
  3. Step 3: Cross multiply
    196,389.65x = 271,029.34 × 147,906.07
  4. Step 4: Simplify right side
    196,389.65x = 40,086,883,486.76
  5. Step 5: Solve for x
    x = 40,086,883,486.76/196,389.65
  6. Step 6: Final answer
    x = 204,119.12

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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.