Home / 127,076.88-190,550.22-67,137.53

Finding the Fourth Proportional to 127,076.88, 190,550.22 and 67,137.53

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Solution

The fourth proportional to 127,076.88, 190,550.22 and 67,137.53 is: 100,671.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,076.88 : 190,550.22 = 67,137.53 : x
  2. Step 2: Convert to fraction form
    127,076.88/190,550.22 = 67,137.53/x
  3. Step 3: Cross multiply
    127,076.88x = 190,550.22 × 67,137.53
  4. Step 4: Simplify right side
    127,076.88x = 12,793,071,356.73
  5. Step 5: Solve for x
    x = 12,793,071,356.73/127,076.88
  6. Step 6: Final answer
    x = 100,671.90

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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.