Home / 132,743.37-198,956.93-76,466.91

Finding the Fourth Proportional to 132,743.37, 198,956.93 and 76,466.91

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Solution

The fourth proportional to 132,743.37, 198,956.93 and 76,466.91 is: 114,609.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,743.37 : 198,956.93 = 76,466.91 : x
  2. Step 2: Convert to fraction form
    132,743.37/198,956.93 = 76,466.91/x
  3. Step 3: Cross multiply
    132,743.37x = 198,956.93 × 76,466.91
  4. Step 4: Simplify right side
    132,743.37x = 15,213,621,464.37
  5. Step 5: Solve for x
    x = 15,213,621,464.37/132,743.37
  6. Step 6: Final answer
    x = 114,609.27

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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.