Home / 146,932.80-220,431.60-47,097.60

Finding the Fourth Proportional to 146,932.80, 220,431.60 and 47,097.60

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Solution

The fourth proportional to 146,932.80, 220,431.60 and 47,097.60 is: 70,656.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,932.80 : 220,431.60 = 47,097.60 : x
  2. Step 2: Convert to fraction form
    146,932.80/220,431.60 = 47,097.60/x
  3. Step 3: Cross multiply
    146,932.80x = 220,431.60 × 47,097.60
  4. Step 4: Simplify right side
    146,932.80x = 10,381,799,324.16
  5. Step 5: Solve for x
    x = 10,381,799,324.16/146,932.80
  6. Step 6: Final answer
    x = 70,656.79

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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.