Home / 207,476.64-311,242.23-74,372.04

Finding the Fourth Proportional to 207,476.64, 311,242.23 and 74,372.04

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Solution

The fourth proportional to 207,476.64, 311,242.23 and 74,372.04 is: 111,567.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,476.64 : 311,242.23 = 74,372.04 : x
  2. Step 2: Convert to fraction form
    207,476.64/311,242.23 = 74,372.04/x
  3. Step 3: Cross multiply
    207,476.64x = 311,242.23 × 74,372.04
  4. Step 4: Simplify right side
    207,476.64x = 23,147,719,579.25
  5. Step 5: Solve for x
    x = 23,147,719,579.25/207,476.64
  6. Step 6: Final answer
    x = 111,567.84

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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.