Home / 126,250.96-189,196-92,707.88

Finding the Fourth Proportional to 126,250.96, 189,196 and 92,707.88

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Solution

The fourth proportional to 126,250.96, 189,196 and 92,707.88 is: 138,929.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,250.96 : 189,196 = 92,707.88 : x
  2. Step 2: Convert to fraction form
    126,250.96/189,196 = 92,707.88/x
  3. Step 3: Cross multiply
    126,250.96x = 189,196 × 92,707.88
  4. Step 4: Simplify right side
    126,250.96x = 17,539,960,064.48
  5. Step 5: Solve for x
    x = 17,539,960,064.48/126,250.96
  6. Step 6: Final answer
    x = 138,929.32

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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.