Home / 146,961.57-220,420.49-47,111.39

Finding the Fourth Proportional to 146,961.57, 220,420.49 and 47,111.39

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Solution

The fourth proportional to 146,961.57, 220,420.49 and 47,111.39 is: 70,660.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,961.57 : 220,420.49 = 47,111.39 : x
  2. Step 2: Convert to fraction form
    146,961.57/220,420.49 = 47,111.39/x
  3. Step 3: Cross multiply
    146,961.57x = 220,420.49 × 47,111.39
  4. Step 4: Simplify right side
    146,961.57x = 10,384,314,330.72
  5. Step 5: Solve for x
    x = 10,384,314,330.72/146,961.57
  6. Step 6: Final answer
    x = 70,660.07

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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.