Home / 394,050.99-591,159.53-127,790.75

Finding the Fourth Proportional to 394,050.99, 591,159.53 and 127,790.75

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Solution

The fourth proportional to 394,050.99, 591,159.53 and 127,790.75 is: 191,713.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,050.99 : 591,159.53 = 127,790.75 : x
  2. Step 2: Convert to fraction form
    394,050.99/591,159.53 = 127,790.75/x
  3. Step 3: Cross multiply
    394,050.99x = 591,159.53 × 127,790.75
  4. Step 4: Simplify right side
    394,050.99x = 75,544,716,113.60
  5. Step 5: Solve for x
    x = 75,544,716,113.60/394,050.99
  6. Step 6: Final answer
    x = 191,713.05

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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.