Home / 156,232.64-234,067.08-131,427.20

Finding the Fourth Proportional to 156,232.64, 234,067.08 and 131,427.20

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Solution

The fourth proportional to 156,232.64, 234,067.08 and 131,427.20 is: 196,903.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,232.64 : 234,067.08 = 131,427.20 : x
  2. Step 2: Convert to fraction form
    156,232.64/234,067.08 = 131,427.20/x
  3. Step 3: Cross multiply
    156,232.64x = 234,067.08 × 131,427.20
  4. Step 4: Simplify right side
    156,232.64x = 30,762,780,936.58
  5. Step 5: Solve for x
    x = 30,762,780,936.58/156,232.64
  6. Step 6: Final answer
    x = 196,903.67

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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.