Home / 202,088.45-303,243.75-75,815.93

Finding the Fourth Proportional to 202,088.45, 303,243.75 and 75,815.93

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Solution

The fourth proportional to 202,088.45, 303,243.75 and 75,815.93 is: 113,765.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,088.45 : 303,243.75 = 75,815.93 : x
  2. Step 2: Convert to fraction form
    202,088.45/303,243.75 = 75,815.93/x
  3. Step 3: Cross multiply
    202,088.45x = 303,243.75 × 75,815.93
  4. Step 4: Simplify right side
    202,088.45x = 22,990,707,681.05
  5. Step 5: Solve for x
    x = 22,990,707,681.05/202,088.45
  6. Step 6: Final answer
    x = 113,765.57

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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.