Home / 132,037.60-198,286.80-127,890.40

Finding the Fourth Proportional to 132,037.60, 198,286.80 and 127,890.40

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Solution

The fourth proportional to 132,037.60, 198,286.80 and 127,890.40 is: 192,058.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,037.60 : 198,286.80 = 127,890.40 : x
  2. Step 2: Convert to fraction form
    132,037.60/198,286.80 = 127,890.40/x
  3. Step 3: Cross multiply
    132,037.60x = 198,286.80 × 127,890.40
  4. Step 4: Simplify right side
    132,037.60x = 25,358,978,166.72
  5. Step 5: Solve for x
    x = 25,358,978,166.72/132,037.60
  6. Step 6: Final answer
    x = 192,058.76

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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.