Home / 200,425.36-276,583.68-109,780.48

Finding the Fourth Proportional to 200,425.36, 276,583.68 and 109,780.48

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Solution

The fourth proportional to 200,425.36, 276,583.68 and 109,780.48 is: 151,495.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,425.36 : 276,583.68 = 109,780.48 : x
  2. Step 2: Convert to fraction form
    200,425.36/276,583.68 = 109,780.48/x
  3. Step 3: Cross multiply
    200,425.36x = 276,583.68 × 109,780.48
  4. Step 4: Simplify right side
    200,425.36x = 30,363,489,150.57
  5. Step 5: Solve for x
    x = 30,363,489,150.57/200,425.36
  6. Step 6: Final answer
    x = 151,495.25

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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.