Home / 202,384.15-303,520.78-76,014.62

Finding the Fourth Proportional to 202,384.15, 303,520.78 and 76,014.62

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Solution

The fourth proportional to 202,384.15, 303,520.78 and 76,014.62 is: 114,001.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,384.15 : 303,520.78 = 76,014.62 : x
  2. Step 2: Convert to fraction form
    202,384.15/303,520.78 = 76,014.62/x
  3. Step 3: Cross multiply
    202,384.15x = 303,520.78 × 76,014.62
  4. Step 4: Simplify right side
    202,384.15x = 23,072,016,753.80
  5. Step 5: Solve for x
    x = 23,072,016,753.80/202,384.15
  6. Step 6: Final answer
    x = 114,001.11

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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.