Home / 209,860.03-314,882.99-109,996.48

Finding the Fourth Proportional to 209,860.03, 314,882.99 and 109,996.48

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Solution

The fourth proportional to 209,860.03, 314,882.99 and 109,996.48 is: 165,043.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,860.03 : 314,882.99 = 109,996.48 : x
  2. Step 2: Convert to fraction form
    209,860.03/314,882.99 = 109,996.48/x
  3. Step 3: Cross multiply
    209,860.03x = 314,882.99 × 109,996.48
  4. Step 4: Simplify right side
    209,860.03x = 34,636,018,387.48
  5. Step 5: Solve for x
    x = 34,636,018,387.48/209,860.03
  6. Step 6: Final answer
    x = 165,043.43

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1.5x scale

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.