Home / 147,566.40-220,198.68-131,662.10

Finding the Fourth Proportional to 147,566.40, 220,198.68 and 131,662.10

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Solution

The fourth proportional to 147,566.40, 220,198.68 and 131,662.10 is: 196,466.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,566.40 : 220,198.68 = 131,662.10 : x
  2. Step 2: Convert to fraction form
    147,566.40/220,198.68 = 131,662.10/x
  3. Step 3: Cross multiply
    147,566.40x = 220,198.68 × 131,662.10
  4. Step 4: Simplify right side
    147,566.40x = 28,991,819,525.03
  5. Step 5: Solve for x
    x = 28,991,819,525.03/147,566.40
  6. Step 6: Final answer
    x = 196,466.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.