Home / 297,123.12-445,753.92-163,971.36

Finding the Fourth Proportional to 297,123.12, 445,753.92 and 163,971.36

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Solution

The fourth proportional to 297,123.12, 445,753.92 and 163,971.36 is: 245,995.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,123.12 : 445,753.92 = 163,971.36 : x
  2. Step 2: Convert to fraction form
    297,123.12/445,753.92 = 163,971.36/x
  3. Step 3: Cross multiply
    297,123.12x = 445,753.92 × 163,971.36
  4. Step 4: Simplify right side
    297,123.12x = 73,090,876,487.73
  5. Step 5: Solve for x
    x = 73,090,876,487.73/297,123.12
  6. Step 6: Final answer
    x = 245,995.25

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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.