Home / 211,073.97-291,279.24-115,580.73

Finding the Fourth Proportional to 211,073.97, 291,279.24 and 115,580.73

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Solution

The fourth proportional to 211,073.97, 291,279.24 and 115,580.73 is: 159,499.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,073.97 : 291,279.24 = 115,580.73 : x
  2. Step 2: Convert to fraction form
    211,073.97/291,279.24 = 115,580.73/x
  3. Step 3: Cross multiply
    211,073.97x = 291,279.24 × 115,580.73
  4. Step 4: Simplify right side
    211,073.97x = 33,666,267,193.05
  5. Step 5: Solve for x
    x = 33,666,267,193.05/211,073.97
  6. Step 6: Final answer
    x = 159,499.85

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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.