Home / 211,083.54-291,322.95-120,418.62

Finding the Fourth Proportional to 211,083.54, 291,322.95 and 120,418.62

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Solution

The fourth proportional to 211,083.54, 291,322.95 and 120,418.62 is: 166,193.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,083.54 : 291,322.95 = 120,418.62 : x
  2. Step 2: Convert to fraction form
    211,083.54/291,322.95 = 120,418.62/x
  3. Step 3: Cross multiply
    211,083.54x = 291,322.95 × 120,418.62
  4. Step 4: Simplify right side
    211,083.54x = 35,080,707,613.33
  5. Step 5: Solve for x
    x = 35,080,707,613.33/211,083.54
  6. Step 6: Final answer
    x = 166,193.48

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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.