Home / 126,484.88-174,346.12-85,635.97

Finding the Fourth Proportional to 126,484.88, 174,346.12 and 85,635.97

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Solution

The fourth proportional to 126,484.88, 174,346.12 and 85,635.97 is: 118,040.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,484.88 : 174,346.12 = 85,635.97 : x
  2. Step 2: Convert to fraction form
    126,484.88/174,346.12 = 85,635.97/x
  3. Step 3: Cross multiply
    126,484.88x = 174,346.12 × 85,635.97
  4. Step 4: Simplify right side
    126,484.88x = 14,930,298,773.12
  5. Step 5: Solve for x
    x = 14,930,298,773.12/126,484.88
  6. Step 6: Final answer
    x = 118,040.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.