Home / 206,033.72-309,156.05-98,085.25

Finding the Fourth Proportional to 206,033.72, 309,156.05 and 98,085.25

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Solution

The fourth proportional to 206,033.72, 309,156.05 and 98,085.25 is: 147,178.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,033.72 : 309,156.05 = 98,085.25 : x
  2. Step 2: Convert to fraction form
    206,033.72/309,156.05 = 98,085.25/x
  3. Step 3: Cross multiply
    206,033.72x = 309,156.05 × 98,085.25
  4. Step 4: Simplify right side
    206,033.72x = 30,323,648,453.26
  5. Step 5: Solve for x
    x = 30,323,648,453.26/206,033.72
  6. Step 6: Final answer
    x = 147,178.09

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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.