Home / 133,844.64-200,499.27-80,507.16

Finding the Fourth Proportional to 133,844.64, 200,499.27 and 80,507.16

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Solution

The fourth proportional to 133,844.64, 200,499.27 and 80,507.16 is: 120,599.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,844.64 : 200,499.27 = 80,507.16 : x
  2. Step 2: Convert to fraction form
    133,844.64/200,499.27 = 80,507.16/x
  3. Step 3: Cross multiply
    133,844.64x = 200,499.27 × 80,507.16
  4. Step 4: Simplify right side
    133,844.64x = 16,141,626,809.77
  5. Step 5: Solve for x
    x = 16,141,626,809.77/133,844.64
  6. Step 6: Final answer
    x = 120,599.73

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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.