Home / 419,823.90-629,555.91-195,160.89

Finding the Fourth Proportional to 419,823.90, 629,555.91 and 195,160.89

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Solution

The fourth proportional to 419,823.90, 629,555.91 and 195,160.89 is: 292,657.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,823.90 : 629,555.91 = 195,160.89 : x
  2. Step 2: Convert to fraction form
    419,823.90/629,555.91 = 195,160.89/x
  3. Step 3: Cross multiply
    419,823.90x = 629,555.91 × 195,160.89
  4. Step 4: Simplify right side
    419,823.90x = 122,864,691,700.36
  5. Step 5: Solve for x
    x = 122,864,691,700.36/419,823.90
  6. Step 6: Final answer
    x = 292,657.69

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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.