Home / 108,221.20-149,342.44-60,474.80

Finding the Fourth Proportional to 108,221.20, 149,342.44 and 60,474.80

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Solution

The fourth proportional to 108,221.20, 149,342.44 and 60,474.80 is: 83,453.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,221.20 : 149,342.44 = 60,474.80 : x
  2. Step 2: Convert to fraction form
    108,221.20/149,342.44 = 60,474.80/x
  3. Step 3: Cross multiply
    108,221.20x = 149,342.44 × 60,474.80
  4. Step 4: Simplify right side
    108,221.20x = 9,031,454,190.51
  5. Step 5: Solve for x
    x = 9,031,454,190.51/108,221.20
  6. Step 6: Final answer
    x = 83,453.65

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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.