Home / 132,023.70-198,035.55-120,618.90

Finding the Fourth Proportional to 132,023.70, 198,035.55 and 120,618.90

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Solution

The fourth proportional to 132,023.70, 198,035.55 and 120,618.90 is: 180,928.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,023.70 : 198,035.55 = 120,618.90 : x
  2. Step 2: Convert to fraction form
    132,023.70/198,035.55 = 120,618.90/x
  3. Step 3: Cross multiply
    132,023.70x = 198,035.55 × 120,618.90
  4. Step 4: Simplify right side
    132,023.70x = 23,886,830,201.90
  5. Step 5: Solve for x
    x = 23,886,830,201.90/132,023.70
  6. Step 6: Final answer
    x = 180,928.35

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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.