Home / 337,017.60-505,385.28-137,202.12

Finding the Fourth Proportional to 337,017.60, 505,385.28 and 137,202.12

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Solution

The fourth proportional to 337,017.60, 505,385.28 and 137,202.12 is: 205,745.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,017.60 : 505,385.28 = 137,202.12 : x
  2. Step 2: Convert to fraction form
    337,017.60/505,385.28 = 137,202.12/x
  3. Step 3: Cross multiply
    337,017.60x = 505,385.28 × 137,202.12
  4. Step 4: Simplify right side
    337,017.60x = 69,339,931,832.79
  5. Step 5: Solve for x
    x = 69,339,931,832.79/337,017.60
  6. Step 6: Final answer
    x = 205,745.73

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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.