Home / 200,578.22-276,792-109,932.20

Finding the Fourth Proportional to 200,578.22, 276,792 and 109,932.20

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Solution

The fourth proportional to 200,578.22, 276,792 and 109,932.20 is: 151,703.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,578.22 : 276,792 = 109,932.20 : x
  2. Step 2: Convert to fraction form
    200,578.22/276,792 = 109,932.20/x
  3. Step 3: Cross multiply
    200,578.22x = 276,792 × 109,932.20
  4. Step 4: Simplify right side
    200,578.22x = 30,428,353,502.40
  5. Step 5: Solve for x
    x = 30,428,353,502.40/200,578.22
  6. Step 6: Final answer
    x = 151,703.18

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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.