Home / 127,962.20-191,943.30-94,914.20

Finding the Fourth Proportional to 127,962.20, 191,943.30 and 94,914.20

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Solution

The fourth proportional to 127,962.20, 191,943.30 and 94,914.20 is: 142,371.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,962.20 : 191,943.30 = 94,914.20 : x
  2. Step 2: Convert to fraction form
    127,962.20/191,943.30 = 94,914.20/x
  3. Step 3: Cross multiply
    127,962.20x = 191,943.30 × 94,914.20
  4. Step 4: Simplify right side
    127,962.20x = 18,218,144,764.86
  5. Step 5: Solve for x
    x = 18,218,144,764.86/127,962.20
  6. Step 6: Final answer
    x = 142,371.30

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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.