Home / 128,748.43-193,131.13-44,516.73

Finding the Fourth Proportional to 128,748.43, 193,131.13 and 44,516.73

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Solution

The fourth proportional to 128,748.43, 193,131.13 and 44,516.73 is: 66,778.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,748.43 : 193,131.13 = 44,516.73 : x
  2. Step 2: Convert to fraction form
    128,748.43/193,131.13 = 44,516.73/x
  3. Step 3: Cross multiply
    128,748.43x = 193,131.13 × 44,516.73
  4. Step 4: Simplify right side
    128,748.43x = 8,597,566,368.80
  5. Step 5: Solve for x
    x = 8,597,566,368.80/128,748.43
  6. Step 6: Final answer
    x = 66,778.03

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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.