Home / 147,635.24-221,119.88-68,583.10

Finding the Fourth Proportional to 147,635.24, 221,119.88 and 68,583.10

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Solution

The fourth proportional to 147,635.24, 221,119.88 and 68,583.10 is: 102,719.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,635.24 : 221,119.88 = 68,583.10 : x
  2. Step 2: Convert to fraction form
    147,635.24/221,119.88 = 68,583.10/x
  3. Step 3: Cross multiply
    147,635.24x = 221,119.88 × 68,583.10
  4. Step 4: Simplify right side
    147,635.24x = 15,165,086,842.03
  5. Step 5: Solve for x
    x = 15,165,086,842.03/147,635.24
  6. Step 6: Final answer
    x = 102,719.97

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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.