Home / 147,087.50-220,620.24-52,313.85

Finding the Fourth Proportional to 147,087.50, 220,620.24 and 52,313.85

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Solution

The fourth proportional to 147,087.50, 220,620.24 and 52,313.85 is: 78,466.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,087.50 : 220,620.24 = 52,313.85 : x
  2. Step 2: Convert to fraction form
    147,087.50/220,620.24 = 52,313.85/x
  3. Step 3: Cross multiply
    147,087.50x = 220,620.24 × 52,313.85
  4. Step 4: Simplify right side
    147,087.50x = 11,541,494,142.32
  5. Step 5: Solve for x
    x = 11,541,494,142.32/147,087.50
  6. Step 6: Final answer
    x = 78,466.86

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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.