Home / 235,614.88-325,124.26-140,103.12

Finding the Fourth Proportional to 235,614.88, 325,124.26 and 140,103.12

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Solution

The fourth proportional to 235,614.88, 325,124.26 and 140,103.12 is: 193,327.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,614.88 : 325,124.26 = 140,103.12 : x
  2. Step 2: Convert to fraction form
    235,614.88/325,124.26 = 140,103.12/x
  3. Step 3: Cross multiply
    235,614.88x = 325,124.26 × 140,103.12
  4. Step 4: Simplify right side
    235,614.88x = 45,550,923,213.69
  5. Step 5: Solve for x
    x = 45,550,923,213.69/235,614.88
  6. Step 6: Final answer
    x = 193,327.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.