Home / 209,757.30-314,425.26-67,498.02

Finding the Fourth Proportional to 209,757.30, 314,425.26 and 67,498.02

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Solution

The fourth proportional to 209,757.30, 314,425.26 and 67,498.02 is: 101,179.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,757.30 : 314,425.26 = 67,498.02 : x
  2. Step 2: Convert to fraction form
    209,757.30/314,425.26 = 67,498.02/x
  3. Step 3: Cross multiply
    209,757.30x = 314,425.26 × 67,498.02
  4. Step 4: Simplify right side
    209,757.30x = 21,223,082,741.10
  5. Step 5: Solve for x
    x = 21,223,082,741.10/209,757.30
  6. Step 6: Final answer
    x = 101,179.23

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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.