Home / 135,966.40-203,949.60-57,234.40

Finding the Fourth Proportional to 135,966.40, 203,949.60 and 57,234.40

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Solution

The fourth proportional to 135,966.40, 203,949.60 and 57,234.40 is: 85,851.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,966.40 : 203,949.60 = 57,234.40 : x
  2. Step 2: Convert to fraction form
    135,966.40/203,949.60 = 57,234.40/x
  3. Step 3: Cross multiply
    135,966.40x = 203,949.60 × 57,234.40
  4. Step 4: Simplify right side
    135,966.40x = 11,672,932,986.24
  5. Step 5: Solve for x
    x = 11,672,932,986.24/135,966.40
  6. Step 6: Final answer
    x = 85,851.60

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1.5x scale

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.