Home / 147,633.24-221,116.88-68,581.10

Finding the Fourth Proportional to 147,633.24, 221,116.88 and 68,581.10

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Solution

The fourth proportional to 147,633.24, 221,116.88 and 68,581.10 is: 102,716.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,633.24 : 221,116.88 = 68,581.10 : x
  2. Step 2: Convert to fraction form
    147,633.24/221,116.88 = 68,581.10/x
  3. Step 3: Cross multiply
    147,633.24x = 221,116.88 × 68,581.10
  4. Step 4: Simplify right side
    147,633.24x = 15,164,438,858.97
  5. Step 5: Solve for x
    x = 15,164,438,858.97/147,633.24
  6. Step 6: Final answer
    x = 102,716.97

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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.