Home / 211,186.80-291,436.92-115,699.44

Finding the Fourth Proportional to 211,186.80, 291,436.92 and 115,699.44

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Solution

The fourth proportional to 211,186.80, 291,436.92 and 115,699.44 is: 159,664.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,186.80 : 291,436.92 = 115,699.44 : x
  2. Step 2: Convert to fraction form
    211,186.80/291,436.92 = 115,699.44/x
  3. Step 3: Cross multiply
    211,186.80x = 291,436.92 × 115,699.44
  4. Step 4: Simplify right side
    211,186.80x = 33,719,088,439.32
  5. Step 5: Solve for x
    x = 33,719,088,439.32/211,186.80
  6. Step 6: Final answer
    x = 159,664.75

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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.