Home / 199,062.25-274,705.91-109,638.25

Finding the Fourth Proportional to 199,062.25, 274,705.91 and 109,638.25

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Solution

The fourth proportional to 199,062.25, 274,705.91 and 109,638.25 is: 151,300.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,062.25 : 274,705.91 = 109,638.25 : x
  2. Step 2: Convert to fraction form
    199,062.25/274,705.91 = 109,638.25/x
  3. Step 3: Cross multiply
    199,062.25x = 274,705.91 × 109,638.25
  4. Step 4: Simplify right side
    199,062.25x = 30,118,275,237.06
  5. Step 5: Solve for x
    x = 30,118,275,237.06/199,062.25
  6. Step 6: Final answer
    x = 151,300.79

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1.5x scale

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.