Home / 236,425.60-354,638.40-194,435.20

Finding the Fourth Proportional to 236,425.60, 354,638.40 and 194,435.20

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Solution

The fourth proportional to 236,425.60, 354,638.40 and 194,435.20 is: 291,652.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,425.60 : 354,638.40 = 194,435.20 : x
  2. Step 2: Convert to fraction form
    236,425.60/354,638.40 = 194,435.20/x
  3. Step 3: Cross multiply
    236,425.60x = 354,638.40 × 194,435.20
  4. Step 4: Simplify right side
    236,425.60x = 68,954,188,231.68
  5. Step 5: Solve for x
    x = 68,954,188,231.68/236,425.60
  6. Step 6: Final answer
    x = 291,652.80

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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.