Home / 127,936.15-191,822.11-53,107.95

Finding the Fourth Proportional to 127,936.15, 191,822.11 and 53,107.95

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Solution

The fourth proportional to 127,936.15, 191,822.11 and 53,107.95 is: 79,627.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,936.15 : 191,822.11 = 53,107.95 : x
  2. Step 2: Convert to fraction form
    127,936.15/191,822.11 = 53,107.95/x
  3. Step 3: Cross multiply
    127,936.15x = 191,822.11 × 53,107.95
  4. Step 4: Simplify right side
    127,936.15x = 10,187,278,373.83
  5. Step 5: Solve for x
    x = 10,187,278,373.83/127,936.15
  6. Step 6: Final answer
    x = 79,627.83

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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.