Home / 146,939.57-220,224.87-79,468.91

Finding the Fourth Proportional to 146,939.57, 220,224.87 and 79,468.91

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Solution

The fourth proportional to 146,939.57, 220,224.87 and 79,468.91 is: 119,103.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,939.57 : 220,224.87 = 79,468.91 : x
  2. Step 2: Convert to fraction form
    146,939.57/220,224.87 = 79,468.91/x
  3. Step 3: Cross multiply
    146,939.57x = 220,224.87 × 79,468.91
  4. Step 4: Simplify right side
    146,939.57x = 17,501,029,272.67
  5. Step 5: Solve for x
    x = 17,501,029,272.67/146,939.57
  6. Step 6: Final answer
    x = 119,103.59

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1.5x scale

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.