Home / 202,270.08-303,411.60-69,144.96

Finding the Fourth Proportional to 202,270.08, 303,411.60 and 69,144.96

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Solution

The fourth proportional to 202,270.08, 303,411.60 and 69,144.96 is: 103,719.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,270.08 : 303,411.60 = 69,144.96 : x
  2. Step 2: Convert to fraction form
    202,270.08/303,411.60 = 69,144.96/x
  3. Step 3: Cross multiply
    202,270.08x = 303,411.60 × 69,144.96
  4. Step 4: Simplify right side
    202,270.08x = 20,979,382,945.54
  5. Step 5: Solve for x
    x = 20,979,382,945.54/202,270.08
  6. Step 6: Final answer
    x = 103,719.66

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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.