Home / 115,211.50-172,817.25-36,333.70

Finding the Fourth Proportional to 115,211.50, 172,817.25 and 36,333.70

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Solution

The fourth proportional to 115,211.50, 172,817.25 and 36,333.70 is: 54,500.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,211.50 : 172,817.25 = 36,333.70 : x
  2. Step 2: Convert to fraction form
    115,211.50/172,817.25 = 36,333.70/x
  3. Step 3: Cross multiply
    115,211.50x = 172,817.25 × 36,333.70
  4. Step 4: Simplify right side
    115,211.50x = 6,279,089,548.03
  5. Step 5: Solve for x
    x = 6,279,089,548.03/115,211.50
  6. Step 6: Final answer
    x = 54,500.55

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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.