Home / 202,188.23-303,214.57-67,221.17

Finding the Fourth Proportional to 202,188.23, 303,214.57 and 67,221.17

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Solution

The fourth proportional to 202,188.23, 303,214.57 and 67,221.17 is: 100,809.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,188.23 : 303,214.57 = 67,221.17 : x
  2. Step 2: Convert to fraction form
    202,188.23/303,214.57 = 67,221.17/x
  3. Step 3: Cross multiply
    202,188.23x = 303,214.57 × 67,221.17
  4. Step 4: Simplify right side
    202,188.23x = 20,382,438,156.45
  5. Step 5: Solve for x
    x = 20,382,438,156.45/202,188.23
  6. Step 6: Final answer
    x = 100,809.22

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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.