Home / 127,229.45-190,874.15-38,483.69

Finding the Fourth Proportional to 127,229.45, 190,874.15 and 38,483.69

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Solution

The fourth proportional to 127,229.45, 190,874.15 and 38,483.69 is: 57,734.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,229.45 : 190,874.15 = 38,483.69 : x
  2. Step 2: Convert to fraction form
    127,229.45/190,874.15 = 38,483.69/x
  3. Step 3: Cross multiply
    127,229.45x = 190,874.15 × 38,483.69
  4. Step 4: Simplify right side
    127,229.45x = 7,345,541,425.20
  5. Step 5: Solve for x
    x = 7,345,541,425.20/127,229.45
  6. Step 6: Final answer
    x = 57,734.60

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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.