Home / 207,823.11-311,171.58-107,773.50

Finding the Fourth Proportional to 207,823.11, 311,171.58 and 107,773.50

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Solution

The fourth proportional to 207,823.11, 311,171.58 and 107,773.50 is: 161,368.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,823.11 : 311,171.58 = 107,773.50 : x
  2. Step 2: Convert to fraction form
    207,823.11/311,171.58 = 107,773.50/x
  3. Step 3: Cross multiply
    207,823.11x = 311,171.58 × 107,773.50
  4. Step 4: Simplify right side
    207,823.11x = 33,536,050,277.13
  5. Step 5: Solve for x
    x = 33,536,050,277.13/207,823.11
  6. Step 6: Final answer
    x = 161,368.24

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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.