Home / 132,289.32-198,431.11-32,450.00

Finding the Fourth Proportional to 132,289.32, 198,431.11 and 32,450.00

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Solution

The fourth proportional to 132,289.32, 198,431.11 and 32,450.00 is: 48,674.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,289.32 : 198,431.11 = 32,450.00 : x
  2. Step 2: Convert to fraction form
    132,289.32/198,431.11 = 32,450.00/x
  3. Step 3: Cross multiply
    132,289.32x = 198,431.11 × 32,450.00
  4. Step 4: Simplify right side
    132,289.32x = 6,439,089,934.45
  5. Step 5: Solve for x
    x = 6,439,089,934.45/132,289.32
  6. Step 6: Final answer
    x = 48,674.30

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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.