Home / 201,900.20-302,564.56-111,982.52

Finding the Fourth Proportional to 201,900.20, 302,564.56 and 111,982.52

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Solution

The fourth proportional to 201,900.20, 302,564.56 and 111,982.52 is: 167,815.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,900.20 : 302,564.56 = 111,982.52 : x
  2. Step 2: Convert to fraction form
    201,900.20/302,564.56 = 111,982.52/x
  3. Step 3: Cross multiply
    201,900.20x = 302,564.56 × 111,982.52
  4. Step 4: Simplify right side
    201,900.20x = 33,881,941,891.49
  5. Step 5: Solve for x
    x = 33,881,941,891.49/201,900.20
  6. Step 6: Final answer
    x = 167,815.30

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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.