Home / 147,736.02-221,604.03-68,905.38

Finding the Fourth Proportional to 147,736.02, 221,604.03 and 68,905.38

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Solution

The fourth proportional to 147,736.02, 221,604.03 and 68,905.38 is: 103,358.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,736.02 : 221,604.03 = 68,905.38 : x
  2. Step 2: Convert to fraction form
    147,736.02/221,604.03 = 68,905.38/x
  3. Step 3: Cross multiply
    147,736.02x = 221,604.03 × 68,905.38
  4. Step 4: Simplify right side
    147,736.02x = 15,269,709,896.68
  5. Step 5: Solve for x
    x = 15,269,709,896.68/147,736.02
  6. Step 6: Final answer
    x = 103,358.07

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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.