Home / 146,939.69-220,430.30-47,076.53

Finding the Fourth Proportional to 146,939.69, 220,430.30 and 47,076.53

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Solution

The fourth proportional to 146,939.69, 220,430.30 and 47,076.53 is: 70,621.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,939.69 : 220,430.30 = 47,076.53 : x
  2. Step 2: Convert to fraction form
    146,939.69/220,430.30 = 47,076.53/x
  3. Step 3: Cross multiply
    146,939.69x = 220,430.30 × 47,076.53
  4. Step 4: Simplify right side
    146,939.69x = 10,377,092,293.32
  5. Step 5: Solve for x
    x = 10,377,092,293.32/146,939.69
  6. Step 6: Final answer
    x = 70,621.44

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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.