Home / 159,171.12-238,855.50-92,640.96

Finding the Fourth Proportional to 159,171.12, 238,855.50 and 92,640.96

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Solution

The fourth proportional to 159,171.12, 238,855.50 and 92,640.96 is: 139,018.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,171.12 : 238,855.50 = 92,640.96 : x
  2. Step 2: Convert to fraction form
    159,171.12/238,855.50 = 92,640.96/x
  3. Step 3: Cross multiply
    159,171.12x = 238,855.50 × 92,640.96
  4. Step 4: Simplify right side
    159,171.12x = 22,127,802,821.28
  5. Step 5: Solve for x
    x = 22,127,802,821.28/159,171.12
  6. Step 6: Final answer
    x = 139,018.96

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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.