Home / 134,974.28-186,265.91-74,546.46

Finding the Fourth Proportional to 134,974.28, 186,265.91 and 74,546.46

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Solution

The fourth proportional to 134,974.28, 186,265.91 and 74,546.46 is: 102,874.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,974.28 : 186,265.91 = 74,546.46 : x
  2. Step 2: Convert to fraction form
    134,974.28/186,265.91 = 74,546.46/x
  3. Step 3: Cross multiply
    134,974.28x = 186,265.91 × 74,546.46
  4. Step 4: Simplify right side
    134,974.28x = 13,885,464,395.54
  5. Step 5: Solve for x
    x = 13,885,464,395.54/134,974.28
  6. Step 6: Final answer
    x = 102,874.89

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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.