Home / 132,002.40-197,485.20-119,560.80

Finding the Fourth Proportional to 132,002.40, 197,485.20 and 119,560.80

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Solution

The fourth proportional to 132,002.40, 197,485.20 and 119,560.80 is: 178,871.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,002.40 : 197,485.20 = 119,560.80 : x
  2. Step 2: Convert to fraction form
    132,002.40/197,485.20 = 119,560.80/x
  3. Step 3: Cross multiply
    132,002.40x = 197,485.20 × 119,560.80
  4. Step 4: Simplify right side
    132,002.40x = 23,611,488,500.16
  5. Step 5: Solve for x
    x = 23,611,488,500.16/132,002.40
  6. Step 6: Final answer
    x = 178,871.66

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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.