Home / 200,225.09-276,306.93-109,579.25

Finding the Fourth Proportional to 200,225.09, 276,306.93 and 109,579.25

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Solution

The fourth proportional to 200,225.09, 276,306.93 and 109,579.25 is: 151,217.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,225.09 : 276,306.93 = 109,579.25 : x
  2. Step 2: Convert to fraction form
    200,225.09/276,306.93 = 109,579.25/x
  3. Step 3: Cross multiply
    200,225.09x = 276,306.93 × 109,579.25
  4. Step 4: Simplify right side
    200,225.09x = 30,277,504,777.67
  5. Step 5: Solve for x
    x = 30,277,504,777.67/200,225.09
  6. Step 6: Final answer
    x = 151,217.34

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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.