Home / 394,043.13-591,158.66-127,804.23

Finding the Fourth Proportional to 394,043.13, 591,158.66 and 127,804.23

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Solution

The fourth proportional to 394,043.13, 591,158.66 and 127,804.23 is: 191,736.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,043.13 : 591,158.66 = 127,804.23 : x
  2. Step 2: Convert to fraction form
    394,043.13/591,158.66 = 127,804.23/x
  3. Step 3: Cross multiply
    394,043.13x = 591,158.66 × 127,804.23
  4. Step 4: Simplify right side
    394,043.13x = 75,552,576,710.11
  5. Step 5: Solve for x
    x = 75,552,576,710.11/394,043.13
  6. Step 6: Final answer
    x = 191,736.82

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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.