Home / 201,850.30-278,552.11-111,204.17

Finding the Fourth Proportional to 201,850.30, 278,552.11 and 111,204.17

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Solution

The fourth proportional to 201,850.30, 278,552.11 and 111,204.17 is: 153,461.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,850.30 : 278,552.11 = 111,204.17 : x
  2. Step 2: Convert to fraction form
    201,850.30/278,552.11 = 111,204.17/x
  3. Step 3: Cross multiply
    201,850.30x = 278,552.11 × 111,204.17
  4. Step 4: Simplify right side
    201,850.30x = 30,976,154,245.52
  5. Step 5: Solve for x
    x = 30,976,154,245.52/201,850.30
  6. Step 6: Final answer
    x = 153,461.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.