Home / 419,564.10-629,097.18-166,708.92

Finding the Fourth Proportional to 419,564.10, 629,097.18 and 166,708.92

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Solution

The fourth proportional to 419,564.10, 629,097.18 and 166,708.92 is: 249,964.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,564.10 : 629,097.18 = 166,708.92 : x
  2. Step 2: Convert to fraction form
    419,564.10/629,097.18 = 166,708.92/x
  3. Step 3: Cross multiply
    419,564.10x = 629,097.18 × 166,708.92
  4. Step 4: Simplify right side
    419,564.10x = 104,876,111,452.85
  5. Step 5: Solve for x
    x = 104,876,111,452.85/419,564.10
  6. Step 6: Final answer
    x = 249,964.45

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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.