Home / 146,914.20-220,601.70-100,373.40

Finding the Fourth Proportional to 146,914.20, 220,601.70 and 100,373.40

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Solution

The fourth proportional to 146,914.20, 220,601.70 and 100,373.40 is: 150,717.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,914.20 : 220,601.70 = 100,373.40 : x
  2. Step 2: Convert to fraction form
    146,914.20/220,601.70 = 100,373.40/x
  3. Step 3: Cross multiply
    146,914.20x = 220,601.70 × 100,373.40
  4. Step 4: Simplify right side
    146,914.20x = 22,142,542,674.78
  5. Step 5: Solve for x
    x = 22,142,542,674.78/146,914.20
  6. Step 6: Final answer
    x = 150,717.51

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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.