Home / 146,738.80-220,108.20-53,232.40

Finding the Fourth Proportional to 146,738.80, 220,108.20 and 53,232.40

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Solution

The fourth proportional to 146,738.80, 220,108.20 and 53,232.40 is: 79,848.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,738.80 : 220,108.20 = 53,232.40 : x
  2. Step 2: Convert to fraction form
    146,738.80/220,108.20 = 53,232.40/x
  3. Step 3: Cross multiply
    146,738.80x = 220,108.20 × 53,232.40
  4. Step 4: Simplify right side
    146,738.80x = 11,716,887,745.68
  5. Step 5: Solve for x
    x = 11,716,887,745.68/146,738.80
  6. Step 6: Final answer
    x = 79,848.60

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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.