Home / 127,693.26-175,923.09-100,825.83

Finding the Fourth Proportional to 127,693.26, 175,923.09 and 100,825.83

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Solution

The fourth proportional to 127,693.26, 175,923.09 and 100,825.83 is: 138,907.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,693.26 : 175,923.09 = 100,825.83 : x
  2. Step 2: Convert to fraction form
    127,693.26/175,923.09 = 100,825.83/x
  3. Step 3: Cross multiply
    127,693.26x = 175,923.09 × 100,825.83
  4. Step 4: Simplify right side
    127,693.26x = 17,737,591,565.41
  5. Step 5: Solve for x
    x = 17,737,591,565.41/127,693.26
  6. Step 6: Final answer
    x = 138,907.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.