Home / 228,921.60-343,382.40-194,361.60

Finding the Fourth Proportional to 228,921.60, 343,382.40 and 194,361.60

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Solution

The fourth proportional to 228,921.60, 343,382.40 and 194,361.60 is: 291,542.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,921.60 : 343,382.40 = 194,361.60 : x
  2. Step 2: Convert to fraction form
    228,921.60/343,382.40 = 194,361.60/x
  3. Step 3: Cross multiply
    228,921.60x = 343,382.40 × 194,361.60
  4. Step 4: Simplify right side
    228,921.60x = 66,740,352,675.84
  5. Step 5: Solve for x
    x = 66,740,352,675.84/228,921.60
  6. Step 6: Final answer
    x = 291,542.40

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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.