Home / 167,333.32-250,778.46-78,427.60

Finding the Fourth Proportional to 167,333.32, 250,778.46 and 78,427.60

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Solution

The fourth proportional to 167,333.32, 250,778.46 and 78,427.60 is: 117,537.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,333.32 : 250,778.46 = 78,427.60 : x
  2. Step 2: Convert to fraction form
    167,333.32/250,778.46 = 78,427.60/x
  3. Step 3: Cross multiply
    167,333.32x = 250,778.46 × 78,427.60
  4. Step 4: Simplify right side
    167,333.32x = 19,667,952,749.50
  5. Step 5: Solve for x
    x = 19,667,952,749.50/167,333.32
  6. Step 6: Final answer
    x = 117,537.58

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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.