Home / 366,132.77-505,220.03-211,082.33

Finding the Fourth Proportional to 366,132.77, 505,220.03 and 211,082.33

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Solution

The fourth proportional to 366,132.77, 505,220.03 and 211,082.33 is: 291,268.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,132.77 : 505,220.03 = 211,082.33 : x
  2. Step 2: Convert to fraction form
    366,132.77/505,220.03 = 211,082.33/x
  3. Step 3: Cross multiply
    366,132.77x = 505,220.03 × 211,082.33
  4. Step 4: Simplify right side
    366,132.77x = 106,643,020,524.92
  5. Step 5: Solve for x
    x = 106,643,020,524.92/366,132.77
  6. Step 6: Final answer
    x = 291,268.71

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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.