Home / 127,907.33-191,778.93-53,079.12

Finding the Fourth Proportional to 127,907.33, 191,778.93 and 53,079.12

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Solution

The fourth proportional to 127,907.33, 191,778.93 and 53,079.12 is: 79,584.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,907.33 : 191,778.93 = 53,079.12 : x
  2. Step 2: Convert to fraction form
    127,907.33/191,778.93 = 53,079.12/x
  3. Step 3: Cross multiply
    127,907.33x = 191,778.93 × 53,079.12
  4. Step 4: Simplify right side
    127,907.33x = 10,179,456,838.94
  5. Step 5: Solve for x
    x = 10,179,456,838.94/127,907.33
  6. Step 6: Final answer
    x = 79,584.63

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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.