Home / 133,096.37-199,419.05-80,395.13

Finding the Fourth Proportional to 133,096.37, 199,419.05 and 80,395.13

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Solution

The fourth proportional to 133,096.37, 199,419.05 and 80,395.13 is: 120,456.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,096.37 : 199,419.05 = 80,395.13 : x
  2. Step 2: Convert to fraction form
    133,096.37/199,419.05 = 80,395.13/x
  3. Step 3: Cross multiply
    133,096.37x = 199,419.05 × 80,395.13
  4. Step 4: Simplify right side
    133,096.37x = 16,032,319,050.16
  5. Step 5: Solve for x
    x = 16,032,319,050.16/133,096.37
  6. Step 6: Final answer
    x = 120,456.48

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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.