Home / 133,400.70-184,139.88-82,452.51

Finding the Fourth Proportional to 133,400.70, 184,139.88 and 82,452.51

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Solution

The fourth proportional to 133,400.70, 184,139.88 and 82,452.51 is: 113,813.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,400.70 : 184,139.88 = 82,452.51 : x
  2. Step 2: Convert to fraction form
    133,400.70/184,139.88 = 82,452.51/x
  3. Step 3: Cross multiply
    133,400.70x = 184,139.88 × 82,452.51
  4. Step 4: Simplify right side
    133,400.70x = 15,182,795,297.10
  5. Step 5: Solve for x
    x = 15,182,795,297.10/133,400.70
  6. Step 6: Final answer
    x = 113,813.46

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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.