Home / 204,301.85-306,386.78-74,452.14

Finding the Fourth Proportional to 204,301.85, 306,386.78 and 74,452.14

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Solution

The fourth proportional to 204,301.85, 306,386.78 and 74,452.14 is: 111,654.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,301.85 : 306,386.78 = 74,452.14 : x
  2. Step 2: Convert to fraction form
    204,301.85/306,386.78 = 74,452.14/x
  3. Step 3: Cross multiply
    204,301.85x = 306,386.78 × 74,452.14
  4. Step 4: Simplify right side
    204,301.85x = 22,811,151,066.45
  5. Step 5: Solve for x
    x = 22,811,151,066.45/204,301.85
  6. Step 6: Final answer
    x = 111,654.16

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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.