Home / 200,321.24-276,456.65-115,443.77

Finding the Fourth Proportional to 200,321.24, 276,456.65 and 115,443.77

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Solution

The fourth proportional to 200,321.24, 276,456.65 and 115,443.77 is: 159,320.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,321.24 : 276,456.65 = 115,443.77 : x
  2. Step 2: Convert to fraction form
    200,321.24/276,456.65 = 115,443.77/x
  3. Step 3: Cross multiply
    200,321.24x = 276,456.65 × 115,443.77
  4. Step 4: Simplify right side
    200,321.24x = 31,915,195,958.07
  5. Step 5: Solve for x
    x = 31,915,195,958.07/200,321.24
  6. Step 6: Final answer
    x = 159,320.08

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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.