Home / 126,387.66-174,416.35-69,028.66

Finding the Fourth Proportional to 126,387.66, 174,416.35 and 69,028.66

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Solution

The fourth proportional to 126,387.66, 174,416.35 and 69,028.66 is: 95,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,387.66 : 174,416.35 = 69,028.66 : x
  2. Step 2: Convert to fraction form
    126,387.66/174,416.35 = 69,028.66/x
  3. Step 3: Cross multiply
    126,387.66x = 174,416.35 × 69,028.66
  4. Step 4: Simplify right side
    126,387.66x = 12,039,726,922.59
  5. Step 5: Solve for x
    x = 12,039,726,922.59/126,387.66
  6. Step 6: Final answer
    x = 95,260.30

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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.