Home / 127,401.86-191,107.13-33,907.70

Finding the Fourth Proportional to 127,401.86, 191,107.13 and 33,907.70

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Solution

The fourth proportional to 127,401.86, 191,107.13 and 33,907.70 is: 50,862.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,401.86 : 191,107.13 = 33,907.70 : x
  2. Step 2: Convert to fraction form
    127,401.86/191,107.13 = 33,907.70/x
  3. Step 3: Cross multiply
    127,401.86x = 191,107.13 × 33,907.70
  4. Step 4: Simplify right side
    127,401.86x = 6,480,002,106.83
  5. Step 5: Solve for x
    x = 6,480,002,106.83/127,401.86
  6. Step 6: Final answer
    x = 50,862.70

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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.