Home / 127,181.25-190,775.52-33,687

Finding the Fourth Proportional to 127,181.25, 190,775.52 and 33,687

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Solution

The fourth proportional to 127,181.25, 190,775.52 and 33,687 is: 50,531.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,181.25 : 190,775.52 = 33,687 : x
  2. Step 2: Convert to fraction form
    127,181.25/190,775.52 = 33,687/x
  3. Step 3: Cross multiply
    127,181.25x = 190,775.52 × 33,687
  4. Step 4: Simplify right side
    127,181.25x = 6,426,654,942.24
  5. Step 5: Solve for x
    x = 6,426,654,942.24/127,181.25
  6. Step 6: Final answer
    x = 50,531.47

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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.