Home / 302,016.78-452,616.90-133,508.43

Finding the Fourth Proportional to 302,016.78, 452,616.90 and 133,508.43

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Solution

The fourth proportional to 302,016.78, 452,616.90 and 133,508.43 is: 200,082.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,016.78 : 452,616.90 = 133,508.43 : x
  2. Step 2: Convert to fraction form
    302,016.78/452,616.90 = 133,508.43/x
  3. Step 3: Cross multiply
    302,016.78x = 452,616.90 × 133,508.43
  4. Step 4: Simplify right side
    302,016.78x = 60,428,171,710.47
  5. Step 5: Solve for x
    x = 60,428,171,710.47/302,016.78
  6. Step 6: Final answer
    x = 200,082.17

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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.