Home / 127,982.24-191,973.30-68,736.40

Finding the Fourth Proportional to 127,982.24, 191,973.30 and 68,736.40

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Solution

The fourth proportional to 127,982.24, 191,973.30 and 68,736.40 is: 103,104.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,982.24 : 191,973.30 = 68,736.40 : x
  2. Step 2: Convert to fraction form
    127,982.24/191,973.30 = 68,736.40/x
  3. Step 3: Cross multiply
    127,982.24x = 191,973.30 × 68,736.40
  4. Step 4: Simplify right side
    127,982.24x = 13,195,553,538.12
  5. Step 5: Solve for x
    x = 13,195,553,538.12/127,982.24
  6. Step 6: Final answer
    x = 103,104.57

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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.