Home / 262,822.20-394,233.30-163,613.40

Finding the Fourth Proportional to 262,822.20, 394,233.30 and 163,613.40

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Solution

The fourth proportional to 262,822.20, 394,233.30 and 163,613.40 is: 245,420.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,822.20 : 394,233.30 = 163,613.40 : x
  2. Step 2: Convert to fraction form
    262,822.20/394,233.30 = 163,613.40/x
  3. Step 3: Cross multiply
    262,822.20x = 394,233.30 × 163,613.40
  4. Step 4: Simplify right side
    262,822.20x = 64,501,850,606.22
  5. Step 5: Solve for x
    x = 64,501,850,606.22/262,822.20
  6. Step 6: Final answer
    x = 245,420.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.