Home / 211,404.73-291,736.30-115,911.19

Finding the Fourth Proportional to 211,404.73, 291,736.30 and 115,911.19

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Solution

The fourth proportional to 211,404.73, 291,736.30 and 115,911.19 is: 159,956.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,404.73 : 291,736.30 = 115,911.19 : x
  2. Step 2: Convert to fraction form
    211,404.73/291,736.30 = 115,911.19/x
  3. Step 3: Cross multiply
    211,404.73x = 291,736.30 × 115,911.19
  4. Step 4: Simplify right side
    211,404.73x = 33,815,501,699.20
  5. Step 5: Solve for x
    x = 33,815,501,699.20/211,404.73
  6. Step 6: Final answer
    x = 159,956.22

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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.