Home / 366,133.77-505,221.41-211,083.33

Finding the Fourth Proportional to 366,133.77, 505,221.41 and 211,083.33

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Solution

The fourth proportional to 366,133.77, 505,221.41 and 211,083.33 is: 291,270.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,133.77 : 505,221.41 = 211,083.33 : x
  2. Step 2: Convert to fraction form
    366,133.77/505,221.41 = 211,083.33/x
  3. Step 3: Cross multiply
    366,133.77x = 505,221.41 × 211,083.33
  4. Step 4: Simplify right side
    366,133.77x = 106,643,817,610.10
  5. Step 5: Solve for x
    x = 106,643,817,610.10/366,133.77
  6. Step 6: Final answer
    x = 291,270.09

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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.