Home / 133,899.80-184,787.51-80,174.56

Finding the Fourth Proportional to 133,899.80, 184,787.51 and 80,174.56

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Solution

The fourth proportional to 133,899.80, 184,787.51 and 80,174.56 is: 110,644.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,899.80 : 184,787.51 = 80,174.56 : x
  2. Step 2: Convert to fraction form
    133,899.80/184,787.51 = 80,174.56/x
  3. Step 3: Cross multiply
    133,899.80x = 184,787.51 × 80,174.56
  4. Step 4: Simplify right side
    133,899.80x = 14,815,257,242.36
  5. Step 5: Solve for x
    x = 14,815,257,242.36/133,899.80
  6. Step 6: Final answer
    x = 110,644.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.