Home / 127,968.20-191,952.30-94,920.20

Finding the Fourth Proportional to 127,968.20, 191,952.30 and 94,920.20

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Solution

The fourth proportional to 127,968.20, 191,952.30 and 94,920.20 is: 142,380.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,968.20 : 191,952.30 = 94,920.20 : x
  2. Step 2: Convert to fraction form
    127,968.20/191,952.30 = 94,920.20/x
  3. Step 3: Cross multiply
    127,968.20x = 191,952.30 × 94,920.20
  4. Step 4: Simplify right side
    127,968.20x = 18,220,150,706.46
  5. Step 5: Solve for x
    x = 18,220,150,706.46/127,968.20
  6. Step 6: Final answer
    x = 142,380.30

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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.