Home / 132,352.40-198,528.60-123,539.60

Finding the Fourth Proportional to 132,352.40, 198,528.60 and 123,539.60

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Solution

The fourth proportional to 132,352.40, 198,528.60 and 123,539.60 is: 185,309.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,352.40 : 198,528.60 = 123,539.60 : x
  2. Step 2: Convert to fraction form
    132,352.40/198,528.60 = 123,539.60/x
  3. Step 3: Cross multiply
    132,352.40x = 198,528.60 × 123,539.60
  4. Step 4: Simplify right side
    132,352.40x = 24,526,143,832.56
  5. Step 5: Solve for x
    x = 24,526,143,832.56/132,352.40
  6. Step 6: Final answer
    x = 185,309.40

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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.