Home / 352,664.96-486,826.55-238,098.72

Finding the Fourth Proportional to 352,664.96, 486,826.55 and 238,098.72

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Solution

The fourth proportional to 352,664.96, 486,826.55 and 238,098.72 is: 328,676.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,664.96 : 486,826.55 = 238,098.72 : x
  2. Step 2: Convert to fraction form
    352,664.96/486,826.55 = 238,098.72/x
  3. Step 3: Cross multiply
    352,664.96x = 486,826.55 × 238,098.72
  4. Step 4: Simplify right side
    352,664.96x = 115,912,777,226.52
  5. Step 5: Solve for x
    x = 115,912,777,226.52/352,664.96
  6. Step 6: Final answer
    x = 328,676.77

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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.