Home / 200,233.08-276,383.14-115,406.60

Finding the Fourth Proportional to 200,233.08, 276,383.14 and 115,406.60

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Solution

The fourth proportional to 200,233.08, 276,383.14 and 115,406.60 is: 159,296.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,233.08 : 276,383.14 = 115,406.60 : x
  2. Step 2: Convert to fraction form
    200,233.08/276,383.14 = 115,406.60/x
  3. Step 3: Cross multiply
    200,233.08x = 276,383.14 × 115,406.60
  4. Step 4: Simplify right side
    200,233.08x = 31,896,438,484.72
  5. Step 5: Solve for x
    x = 31,896,438,484.72/200,233.08
  6. Step 6: Final answer
    x = 159,296.55

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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.