Home / 211,039.97-291,232.58-115,544.61

Finding the Fourth Proportional to 211,039.97, 291,232.58 and 115,544.61

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Solution

The fourth proportional to 211,039.97, 291,232.58 and 115,544.61 is: 159,450.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,039.97 : 291,232.58 = 115,544.61 : x
  2. Step 2: Convert to fraction form
    211,039.97/291,232.58 = 115,544.61/x
  3. Step 3: Cross multiply
    211,039.97x = 291,232.58 × 115,544.61
  4. Step 4: Simplify right side
    211,039.97x = 33,650,354,297.67
  5. Step 5: Solve for x
    x = 33,650,354,297.67/211,039.97
  6. Step 6: Final answer
    x = 159,450.15

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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.