Home / 113,778.40-170,667.60-101,093.80

Finding the Fourth Proportional to 113,778.40, 170,667.60 and 101,093.80

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Solution

The fourth proportional to 113,778.40, 170,667.60 and 101,093.80 is: 151,640.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,778.40 : 170,667.60 = 101,093.80 : x
  2. Step 2: Convert to fraction form
    113,778.40/170,667.60 = 101,093.80/x
  3. Step 3: Cross multiply
    113,778.40x = 170,667.60 × 101,093.80
  4. Step 4: Simplify right side
    113,778.40x = 17,253,436,220.88
  5. Step 5: Solve for x
    x = 17,253,436,220.88/113,778.40
  6. Step 6: Final answer
    x = 151,640.70

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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.