Home / 132,418.80-198,628.20-117,903.60

Finding the Fourth Proportional to 132,418.80, 198,628.20 and 117,903.60

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Solution

The fourth proportional to 132,418.80, 198,628.20 and 117,903.60 is: 176,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,418.80 : 198,628.20 = 117,903.60 : x
  2. Step 2: Convert to fraction form
    132,418.80/198,628.20 = 117,903.60/x
  3. Step 3: Cross multiply
    132,418.80x = 198,628.20 × 117,903.60
  4. Step 4: Simplify right side
    132,418.80x = 23,418,979,841.52
  5. Step 5: Solve for x
    x = 23,418,979,841.52/132,418.80
  6. Step 6: Final answer
    x = 176,855.40

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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.