Home / 320,708.08-442,570.53-177,468.04

Finding the Fourth Proportional to 320,708.08, 442,570.53 and 177,468.04

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Solution

The fourth proportional to 320,708.08, 442,570.53 and 177,468.04 is: 244,902.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,708.08 : 442,570.53 = 177,468.04 : x
  2. Step 2: Convert to fraction form
    320,708.08/442,570.53 = 177,468.04/x
  3. Step 3: Cross multiply
    320,708.08x = 442,570.53 × 177,468.04
  4. Step 4: Simplify right side
    320,708.08x = 78,542,124,520.86
  5. Step 5: Solve for x
    x = 78,542,124,520.86/320,708.08
  6. Step 6: Final answer
    x = 244,902.23

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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.