Home / 143,593.24-198,219.94-102,226.90

Finding the Fourth Proportional to 143,593.24, 198,219.94 and 102,226.90

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Solution

The fourth proportional to 143,593.24, 198,219.94 and 102,226.90 is: 141,116.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,593.24 : 198,219.94 = 102,226.90 : x
  2. Step 2: Convert to fraction form
    143,593.24/198,219.94 = 102,226.90/x
  3. Step 3: Cross multiply
    143,593.24x = 198,219.94 × 102,226.90
  4. Step 4: Simplify right side
    143,593.24x = 20,263,409,984.39
  5. Step 5: Solve for x
    x = 20,263,409,984.39/143,593.24
  6. Step 6: Final answer
    x = 141,116.74

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1.5x scale

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.