Home / 146,305.85-201,902.07-79,237.85

Finding the Fourth Proportional to 146,305.85, 201,902.07 and 79,237.85

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Solution

The fourth proportional to 146,305.85, 201,902.07 and 79,237.85 is: 109,348.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,305.85 : 201,902.07 = 79,237.85 : x
  2. Step 2: Convert to fraction form
    146,305.85/201,902.07 = 79,237.85/x
  3. Step 3: Cross multiply
    146,305.85x = 201,902.07 × 79,237.85
  4. Step 4: Simplify right side
    146,305.85x = 15,998,285,937.35
  5. Step 5: Solve for x
    x = 15,998,285,937.35/146,305.85
  6. Step 6: Final answer
    x = 109,348.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.