Home / 293,894.13-405,578.35-164,861.21

Finding the Fourth Proportional to 293,894.13, 405,578.35 and 164,861.21

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Solution

The fourth proportional to 293,894.13, 405,578.35 and 164,861.21 is: 227,510.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,894.13 : 405,578.35 = 164,861.21 : x
  2. Step 2: Convert to fraction form
    293,894.13/405,578.35 = 164,861.21/x
  3. Step 3: Cross multiply
    293,894.13x = 405,578.35 × 164,861.21
  4. Step 4: Simplify right side
    293,894.13x = 66,864,138,750.83
  5. Step 5: Solve for x
    x = 66,864,138,750.83/293,894.13
  6. Step 6: Final answer
    x = 227,510.97

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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.