Home / 211,049.82-291,248.73-115,556.76

Finding the Fourth Proportional to 211,049.82, 291,248.73 and 115,556.76

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Solution

The fourth proportional to 211,049.82, 291,248.73 and 115,556.76 is: 159,468.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,049.82 : 291,248.73 = 115,556.76 : x
  2. Step 2: Convert to fraction form
    211,049.82/291,248.73 = 115,556.76/x
  3. Step 3: Cross multiply
    211,049.82x = 291,248.73 × 115,556.76
  4. Step 4: Simplify right side
    211,049.82x = 33,655,759,592.91
  5. Step 5: Solve for x
    x = 33,655,759,592.91/211,049.82
  6. Step 6: Final answer
    x = 159,468.32

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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.