Home / 194,622.75-268,440.08-126,512.69

Finding the Fourth Proportional to 194,622.75, 268,440.08 and 126,512.69

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Solution

The fourth proportional to 194,622.75, 268,440.08 and 126,512.69 is: 174,496.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,622.75 : 268,440.08 = 126,512.69 : x
  2. Step 2: Convert to fraction form
    194,622.75/268,440.08 = 126,512.69/x
  3. Step 3: Cross multiply
    194,622.75x = 268,440.08 × 126,512.69
  4. Step 4: Simplify right side
    194,622.75x = 33,961,074,649.85
  5. Step 5: Solve for x
    x = 33,961,074,649.85/194,622.75
  6. Step 6: Final answer
    x = 174,496.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.