Home / 207,306.94-311,026.16-74,184.25

Finding the Fourth Proportional to 207,306.94, 311,026.16 and 74,184.25

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Solution

The fourth proportional to 207,306.94, 311,026.16 and 74,184.25 is: 111,299.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,306.94 : 311,026.16 = 74,184.25 : x
  2. Step 2: Convert to fraction form
    207,306.94/311,026.16 = 74,184.25/x
  3. Step 3: Cross multiply
    207,306.94x = 311,026.16 × 74,184.25
  4. Step 4: Simplify right side
    207,306.94x = 23,073,242,409.98
  5. Step 5: Solve for x
    x = 23,073,242,409.98/207,306.94
  6. Step 6: Final answer
    x = 111,299.90

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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.