Home / 133,512.53-200,243.31-40,018.28

Finding the Fourth Proportional to 133,512.53, 200,243.31 and 40,018.28

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Solution

The fourth proportional to 133,512.53, 200,243.31 and 40,018.28 is: 60,019.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,512.53 : 200,243.31 = 40,018.28 : x
  2. Step 2: Convert to fraction form
    133,512.53/200,243.31 = 40,018.28/x
  3. Step 3: Cross multiply
    133,512.53x = 200,243.31 × 40,018.28
  4. Step 4: Simplify right side
    133,512.53x = 8,013,393,148.22
  5. Step 5: Solve for x
    x = 8,013,393,148.22/133,512.53
  6. Step 6: Final answer
    x = 60,019.78

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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.