Home / 206,140.74-309,106.62-73,002.26

Finding the Fourth Proportional to 206,140.74, 309,106.62 and 73,002.26

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Solution

The fourth proportional to 206,140.74, 309,106.62 and 73,002.26 is: 109,466.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,140.74 : 309,106.62 = 73,002.26 : x
  2. Step 2: Convert to fraction form
    206,140.74/309,106.62 = 73,002.26/x
  3. Step 3: Cross multiply
    206,140.74x = 309,106.62 × 73,002.26
  4. Step 4: Simplify right side
    206,140.74x = 22,565,480,295.43
  5. Step 5: Solve for x
    x = 22,565,480,295.43/206,140.74
  6. Step 6: Final answer
    x = 109,466.38

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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.