Home / 207,557.91-311,364-74,453.04

Finding the Fourth Proportional to 207,557.91, 311,364 and 74,453.04

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Solution

The fourth proportional to 207,557.91, 311,364 and 74,453.04 is: 111,689.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,557.91 : 311,364 = 74,453.04 : x
  2. Step 2: Convert to fraction form
    207,557.91/311,364 = 74,453.04/x
  3. Step 3: Cross multiply
    207,557.91x = 311,364 × 74,453.04
  4. Step 4: Simplify right side
    207,557.91x = 23,181,996,346.56
  5. Step 5: Solve for x
    x = 23,181,996,346.56/207,557.91
  6. Step 6: Final answer
    x = 111,689.29

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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.