Home / 211,288.66-291,580.65-115,793.32

Finding the Fourth Proportional to 211,288.66, 291,580.65 and 115,793.32

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Solution

The fourth proportional to 211,288.66, 291,580.65 and 115,793.32 is: 159,796.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,288.66 : 291,580.65 = 115,793.32 : x
  2. Step 2: Convert to fraction form
    211,288.66/291,580.65 = 115,793.32/x
  3. Step 3: Cross multiply
    211,288.66x = 291,580.65 × 115,793.32
  4. Step 4: Simplify right side
    211,288.66x = 33,763,091,511.26
  5. Step 5: Solve for x
    x = 33,763,091,511.26/211,288.66
  6. Step 6: Final answer
    x = 159,796.04

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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.