Home / 133,074.20-199,611.54-88,787.48

Finding the Fourth Proportional to 133,074.20, 199,611.54 and 88,787.48

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Solution

The fourth proportional to 133,074.20, 199,611.54 and 88,787.48 is: 133,181.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,074.20 : 199,611.54 = 88,787.48 : x
  2. Step 2: Convert to fraction form
    133,074.20/199,611.54 = 88,787.48/x
  3. Step 3: Cross multiply
    133,074.20x = 199,611.54 × 88,787.48
  4. Step 4: Simplify right side
    133,074.20x = 17,723,005,615.52
  5. Step 5: Solve for x
    x = 17,723,005,615.52/133,074.20
  6. Step 6: Final answer
    x = 133,181.38

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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.