Home / 196,143.12-269,828.10-171,834.62

Finding the Fourth Proportional to 196,143.12, 269,828.10 and 171,834.62

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Solution

The fourth proportional to 196,143.12, 269,828.10 and 171,834.62 is: 236,387.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,143.12 : 269,828.10 = 171,834.62 : x
  2. Step 2: Convert to fraction form
    196,143.12/269,828.10 = 171,834.62/x
  3. Step 3: Cross multiply
    196,143.12x = 269,828.10 × 171,834.62
  4. Step 4: Simplify right side
    196,143.12x = 46,365,807,679.68
  5. Step 5: Solve for x
    x = 46,365,807,679.68/196,143.12
  6. Step 6: Final answer
    x = 236,387.63

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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.