Home / 334,105.20-501,218.55-109,403.10

Finding the Fourth Proportional to 334,105.20, 501,218.55 and 109,403.10

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Solution

The fourth proportional to 334,105.20, 501,218.55 and 109,403.10 is: 164,124.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,105.20 : 501,218.55 = 109,403.10 : x
  2. Step 2: Convert to fraction form
    334,105.20/501,218.55 = 109,403.10/x
  3. Step 3: Cross multiply
    334,105.20x = 501,218.55 × 109,403.10
  4. Step 4: Simplify right side
    334,105.20x = 54,834,863,147.51
  5. Step 5: Solve for x
    x = 54,834,863,147.51/334,105.20
  6. Step 6: Final answer
    x = 164,124.54

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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.