Home / 178,961.05-268,435.41-45,842.46

Finding the Fourth Proportional to 178,961.05, 268,435.41 and 45,842.46

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Solution

The fourth proportional to 178,961.05, 268,435.41 and 45,842.46 is: 68,762.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,961.05 : 268,435.41 = 45,842.46 : x
  2. Step 2: Convert to fraction form
    178,961.05/268,435.41 = 45,842.46/x
  3. Step 3: Cross multiply
    178,961.05x = 268,435.41 × 45,842.46
  4. Step 4: Simplify right side
    178,961.05x = 12,305,739,545.51
  5. Step 5: Solve for x
    x = 12,305,739,545.51/178,961.05
  6. Step 6: Final answer
    x = 68,762.11

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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.