Home / 322,683.12-445,268.61-179,420.04

Finding the Fourth Proportional to 322,683.12, 445,268.61 and 179,420.04

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Solution

The fourth proportional to 322,683.12, 445,268.61 and 179,420.04 is: 247,580.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,683.12 : 445,268.61 = 179,420.04 : x
  2. Step 2: Convert to fraction form
    322,683.12/445,268.61 = 179,420.04/x
  3. Step 3: Cross multiply
    322,683.12x = 445,268.61 × 179,420.04
  4. Step 4: Simplify right side
    322,683.12x = 79,890,111,816.94
  5. Step 5: Solve for x
    x = 79,890,111,816.94/322,683.12
  6. Step 6: Final answer
    x = 247,580.70

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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.