Home / 162,208.24-223,821.84-90,584.80

Finding the Fourth Proportional to 162,208.24, 223,821.84 and 90,584.80

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Solution

The fourth proportional to 162,208.24, 223,821.84 and 90,584.80 is: 124,992.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,208.24 : 223,821.84 = 90,584.80 : x
  2. Step 2: Convert to fraction form
    162,208.24/223,821.84 = 90,584.80/x
  3. Step 3: Cross multiply
    162,208.24x = 223,821.84 × 90,584.80
  4. Step 4: Simplify right side
    162,208.24x = 20,274,856,612.03
  5. Step 5: Solve for x
    x = 20,274,856,612.03/162,208.24
  6. Step 6: Final answer
    x = 124,992.77

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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.