Home / 127,212.44-190,824.06-42,974.60

Finding the Fourth Proportional to 127,212.44, 190,824.06 and 42,974.60

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Solution

The fourth proportional to 127,212.44, 190,824.06 and 42,974.60 is: 64,463.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,212.44 : 190,824.06 = 42,974.60 : x
  2. Step 2: Convert to fraction form
    127,212.44/190,824.06 = 42,974.60/x
  3. Step 3: Cross multiply
    127,212.44x = 190,824.06 × 42,974.60
  4. Step 4: Simplify right side
    127,212.44x = 8,200,587,648.88
  5. Step 5: Solve for x
    x = 8,200,587,648.88/127,212.44
  6. Step 6: Final answer
    x = 64,463.72

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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.