Home / 345,910.01-518,799.41-146,369.75

Finding the Fourth Proportional to 345,910.01, 518,799.41 and 146,369.75

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Solution

The fourth proportional to 345,910.01, 518,799.41 and 146,369.75 is: 219,526.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,910.01 : 518,799.41 = 146,369.75 : x
  2. Step 2: Convert to fraction form
    345,910.01/518,799.41 = 146,369.75/x
  3. Step 3: Cross multiply
    345,910.01x = 518,799.41 × 146,369.75
  4. Step 4: Simplify right side
    345,910.01x = 75,936,539,210.00
  5. Step 5: Solve for x
    x = 75,936,539,210.00/345,910.01
  6. Step 6: Final answer
    x = 219,526.86

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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.