Home / 129,007.76-193,523.85-50,128.07

Finding the Fourth Proportional to 129,007.76, 193,523.85 and 50,128.07

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Solution

The fourth proportional to 129,007.76, 193,523.85 and 50,128.07 is: 75,196.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,007.76 : 193,523.85 = 50,128.07 : x
  2. Step 2: Convert to fraction form
    129,007.76/193,523.85 = 50,128.07/x
  3. Step 3: Cross multiply
    129,007.76x = 193,523.85 × 50,128.07
  4. Step 4: Simplify right side
    129,007.76x = 9,700,976,131.85
  5. Step 5: Solve for x
    x = 9,700,976,131.85/129,007.76
  6. Step 6: Final answer
    x = 75,196.84

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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.