Home / 199,328.14-275,074.98-108,683.36

Finding the Fourth Proportional to 199,328.14, 275,074.98 and 108,683.36

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Solution

The fourth proportional to 199,328.14, 275,074.98 and 108,683.36 is: 149,984.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,328.14 : 275,074.98 = 108,683.36 : x
  2. Step 2: Convert to fraction form
    199,328.14/275,074.98 = 108,683.36/x
  3. Step 3: Cross multiply
    199,328.14x = 275,074.98 × 108,683.36
  4. Step 4: Simplify right side
    199,328.14x = 29,896,073,078.33
  5. Step 5: Solve for x
    x = 29,896,073,078.33/199,328.14
  6. Step 6: Final answer
    x = 149,984.21

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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.