Home / 211,469.96-291,828.89-115,977.24

Finding the Fourth Proportional to 211,469.96, 291,828.89 and 115,977.24

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Solution

The fourth proportional to 211,469.96, 291,828.89 and 115,977.24 is: 160,048.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,469.96 : 291,828.89 = 115,977.24 : x
  2. Step 2: Convert to fraction form
    211,469.96/291,828.89 = 115,977.24/x
  3. Step 3: Cross multiply
    211,469.96x = 291,828.89 × 115,977.24
  4. Step 4: Simplify right side
    211,469.96x = 33,845,509,504.41
  5. Step 5: Solve for x
    x = 33,845,509,504.41/211,469.96
  6. Step 6: Final answer
    x = 160,048.78

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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.