Home / 314,822.88-434,456.97-178,864.23

Finding the Fourth Proportional to 314,822.88, 434,456.97 and 178,864.23

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Solution

The fourth proportional to 314,822.88, 434,456.97 and 178,864.23 is: 246,833.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,822.88 : 434,456.97 = 178,864.23 : x
  2. Step 2: Convert to fraction form
    314,822.88/434,456.97 = 178,864.23/x
  3. Step 3: Cross multiply
    314,822.88x = 434,456.97 × 178,864.23
  4. Step 4: Simplify right side
    314,822.88x = 77,708,811,407.18
  5. Step 5: Solve for x
    x = 77,708,811,407.18/314,822.88
  6. Step 6: Final answer
    x = 246,833.43

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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.