Home / 127,185.75-190,782.27-33,691.50

Finding the Fourth Proportional to 127,185.75, 190,782.27 and 33,691.50

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Solution

The fourth proportional to 127,185.75, 190,782.27 and 33,691.50 is: 50,538.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,185.75 : 190,782.27 = 33,691.50 : x
  2. Step 2: Convert to fraction form
    127,185.75/190,782.27 = 33,691.50/x
  3. Step 3: Cross multiply
    127,185.75x = 190,782.27 × 33,691.50
  4. Step 4: Simplify right side
    127,185.75x = 6,427,740,849.71
  5. Step 5: Solve for x
    x = 6,427,740,849.71/127,185.75
  6. Step 6: Final answer
    x = 50,538.22

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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.