Home / 132,006.40-197,815.20-112,177.60

Finding the Fourth Proportional to 132,006.40, 197,815.20 and 112,177.60

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Solution

The fourth proportional to 132,006.40, 197,815.20 and 112,177.60 is: 168,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,006.40 : 197,815.20 = 112,177.60 : x
  2. Step 2: Convert to fraction form
    132,006.40/197,815.20 = 112,177.60/x
  3. Step 3: Cross multiply
    132,006.40x = 197,815.20 × 112,177.60
  4. Step 4: Simplify right side
    132,006.40x = 22,190,434,379.52
  5. Step 5: Solve for x
    x = 22,190,434,379.52/132,006.40
  6. Step 6: Final answer
    x = 168,101.20

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1.5x scale

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.