Home / 126,811.88-190,239.42-63,662.12

Finding the Fourth Proportional to 126,811.88, 190,239.42 and 63,662.12

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Solution

The fourth proportional to 126,811.88, 190,239.42 and 63,662.12 is: 95,504.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,811.88 : 190,239.42 = 63,662.12 : x
  2. Step 2: Convert to fraction form
    126,811.88/190,239.42 = 63,662.12/x
  3. Step 3: Cross multiply
    126,811.88x = 190,239.42 × 63,662.12
  4. Step 4: Simplify right side
    126,811.88x = 12,111,044,784.77
  5. Step 5: Solve for x
    x = 12,111,044,784.77/126,811.88
  6. Step 6: Final answer
    x = 95,504.02

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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.