Home / 146,415.20-219,633.60-52,908.80

Finding the Fourth Proportional to 146,415.20, 219,633.60 and 52,908.80

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Solution

The fourth proportional to 146,415.20, 219,633.60 and 52,908.80 is: 79,367.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,415.20 : 219,633.60 = 52,908.80 : x
  2. Step 2: Convert to fraction form
    146,415.20/219,633.60 = 52,908.80/x
  3. Step 3: Cross multiply
    146,415.20x = 219,633.60 × 52,908.80
  4. Step 4: Simplify right side
    146,415.20x = 11,620,550,215.68
  5. Step 5: Solve for x
    x = 11,620,550,215.68/146,415.20
  6. Step 6: Final answer
    x = 79,367.10

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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.