Home / 236,414.40-354,621.60-161,764.80

Finding the Fourth Proportional to 236,414.40, 354,621.60 and 161,764.80

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Solution

The fourth proportional to 236,414.40, 354,621.60 and 161,764.80 is: 242,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,414.40 : 354,621.60 = 161,764.80 : x
  2. Step 2: Convert to fraction form
    236,414.40/354,621.60 = 161,764.80/x
  3. Step 3: Cross multiply
    236,414.40x = 354,621.60 × 161,764.80
  4. Step 4: Simplify right side
    236,414.40x = 57,365,292,199.68
  5. Step 5: Solve for x
    x = 57,365,292,199.68/236,414.40
  6. Step 6: Final answer
    x = 242,647.20

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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.