Home / 204,564.78-282,297.12-113,918.76

Finding the Fourth Proportional to 204,564.78, 282,297.12 and 113,918.76

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Solution

The fourth proportional to 204,564.78, 282,297.12 and 113,918.76 is: 157,206.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,564.78 : 282,297.12 = 113,918.76 : x
  2. Step 2: Convert to fraction form
    204,564.78/282,297.12 = 113,918.76/x
  3. Step 3: Cross multiply
    204,564.78x = 282,297.12 × 113,918.76
  4. Step 4: Simplify right side
    204,564.78x = 32,158,937,861.97
  5. Step 5: Solve for x
    x = 32,158,937,861.97/204,564.78
  6. Step 6: Final answer
    x = 157,206.62

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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.