Home / 296,976.13-409,825.76-161,009.66

Finding the Fourth Proportional to 296,976.13, 409,825.76 and 161,009.66

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Solution

The fourth proportional to 296,976.13, 409,825.76 and 161,009.66 is: 222,192.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,976.13 : 409,825.76 = 161,009.66 : x
  2. Step 2: Convert to fraction form
    296,976.13/409,825.76 = 161,009.66/x
  3. Step 3: Cross multiply
    296,976.13x = 409,825.76 × 161,009.66
  4. Step 4: Simplify right side
    296,976.13x = 65,985,906,276.84
  5. Step 5: Solve for x
    x = 65,985,906,276.84/296,976.13
  6. Step 6: Final answer
    x = 222,192.63

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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.