Home / 127,149.75-190,728.27-33,655.50

Finding the Fourth Proportional to 127,149.75, 190,728.27 and 33,655.50

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Solution

The fourth proportional to 127,149.75, 190,728.27 and 33,655.50 is: 50,484.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,149.75 : 190,728.27 = 33,655.50 : x
  2. Step 2: Convert to fraction form
    127,149.75/190,728.27 = 33,655.50/x
  3. Step 3: Cross multiply
    127,149.75x = 190,728.27 × 33,655.50
  4. Step 4: Simplify right side
    127,149.75x = 6,419,055,290.99
  5. Step 5: Solve for x
    x = 6,419,055,290.99/127,149.75
  6. Step 6: Final answer
    x = 50,484.21

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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.