Home / 241,403.20-362,169.60-215,288.80

Finding the Fourth Proportional to 241,403.20, 362,169.60 and 215,288.80

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Solution

The fourth proportional to 241,403.20, 362,169.60 and 215,288.80 is: 322,990.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,403.20 : 362,169.60 = 215,288.80 : x
  2. Step 2: Convert to fraction form
    241,403.20/362,169.60 = 215,288.80/x
  3. Step 3: Cross multiply
    241,403.20x = 362,169.60 × 215,288.80
  4. Step 4: Simplify right side
    241,403.20x = 77,971,058,580.48
  5. Step 5: Solve for x
    x = 77,971,058,580.48/241,403.20
  6. Step 6: Final answer
    x = 322,990.99

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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.