Home / 202,445.37-303,635.25-90,099.18

Finding the Fourth Proportional to 202,445.37, 303,635.25 and 90,099.18

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Solution

The fourth proportional to 202,445.37, 303,635.25 and 90,099.18 is: 135,134.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,445.37 : 303,635.25 = 90,099.18 : x
  2. Step 2: Convert to fraction form
    202,445.37/303,635.25 = 90,099.18/x
  3. Step 3: Cross multiply
    202,445.37x = 303,635.25 × 90,099.18
  4. Step 4: Simplify right side
    202,445.37x = 27,357,287,044.10
  5. Step 5: Solve for x
    x = 27,357,287,044.10/202,445.37
  6. Step 6: Final answer
    x = 135,134.17

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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.