Home / 126,231.68-174,196.80-69,643.04

Finding the Fourth Proportional to 126,231.68, 174,196.80 and 69,643.04

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Solution

The fourth proportional to 126,231.68, 174,196.80 and 69,643.04 is: 96,105.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,231.68 : 174,196.80 = 69,643.04 : x
  2. Step 2: Convert to fraction form
    126,231.68/174,196.80 = 69,643.04/x
  3. Step 3: Cross multiply
    126,231.68x = 174,196.80 × 69,643.04
  4. Step 4: Simplify right side
    126,231.68x = 12,131,594,710.27
  5. Step 5: Solve for x
    x = 12,131,594,710.27/126,231.68
  6. Step 6: Final answer
    x = 96,105.79

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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.