Home / 143,263.80-214,895.70-131,016.60

Finding the Fourth Proportional to 143,263.80, 214,895.70 and 131,016.60

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Solution

The fourth proportional to 143,263.80, 214,895.70 and 131,016.60 is: 196,524.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,263.80 : 214,895.70 = 131,016.60 : x
  2. Step 2: Convert to fraction form
    143,263.80/214,895.70 = 131,016.60/x
  3. Step 3: Cross multiply
    143,263.80x = 214,895.70 × 131,016.60
  4. Step 4: Simplify right side
    143,263.80x = 28,154,903,968.62
  5. Step 5: Solve for x
    x = 28,154,903,968.62/143,263.80
  6. Step 6: Final answer
    x = 196,524.90

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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.