Home / 202,207.71-303,312.78-89,861.52

Finding the Fourth Proportional to 202,207.71, 303,312.78 and 89,861.52

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Solution

The fourth proportional to 202,207.71, 303,312.78 and 89,861.52 is: 134,792.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,207.71 : 303,312.78 = 89,861.52 : x
  2. Step 2: Convert to fraction form
    202,207.71/303,312.78 = 89,861.52/x
  3. Step 3: Cross multiply
    202,207.71x = 303,312.78 × 89,861.52
  4. Step 4: Simplify right side
    202,207.71x = 27,256,147,446.23
  5. Step 5: Solve for x
    x = 27,256,147,446.23/202,207.71
  6. Step 6: Final answer
    x = 134,792.82

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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.