Home / 127,086.22-190,630.70-38,340.49

Finding the Fourth Proportional to 127,086.22, 190,630.70 and 38,340.49

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Solution

The fourth proportional to 127,086.22, 190,630.70 and 38,340.49 is: 57,511.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,086.22 : 190,630.70 = 38,340.49 : x
  2. Step 2: Convert to fraction form
    127,086.22/190,630.70 = 38,340.49/x
  3. Step 3: Cross multiply
    127,086.22x = 190,630.70 × 38,340.49
  4. Step 4: Simplify right side
    127,086.22x = 7,308,874,447.04
  5. Step 5: Solve for x
    x = 7,308,874,447.04/127,086.22
  6. Step 6: Final answer
    x = 57,511.15

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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.