Home / 419,173.24-628,567.11-134,811.28

Finding the Fourth Proportional to 419,173.24, 628,567.11 and 134,811.28

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Solution

The fourth proportional to 419,173.24, 628,567.11 and 134,811.28 is: 202,154.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,173.24 : 628,567.11 = 134,811.28 : x
  2. Step 2: Convert to fraction form
    419,173.24/628,567.11 = 134,811.28/x
  3. Step 3: Cross multiply
    419,173.24x = 628,567.11 × 134,811.28
  4. Step 4: Simplify right side
    419,173.24x = 84,737,936,665.00
  5. Step 5: Solve for x
    x = 84,737,936,665.00/419,173.24
  6. Step 6: Final answer
    x = 202,154.93

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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.