Home / 128,890.92-193,290.24-44,628.46

Finding the Fourth Proportional to 128,890.92, 193,290.24 and 44,628.46

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Solution

The fourth proportional to 128,890.92, 193,290.24 and 44,628.46 is: 66,926.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,890.92 : 193,290.24 = 44,628.46 : x
  2. Step 2: Convert to fraction form
    128,890.92/193,290.24 = 44,628.46/x
  3. Step 3: Cross multiply
    128,890.92x = 193,290.24 × 44,628.46
  4. Step 4: Simplify right side
    128,890.92x = 8,626,245,521.09
  5. Step 5: Solve for x
    x = 8,626,245,521.09/128,890.92
  6. Step 6: Final answer
    x = 66,926.71

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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.