Home / 211,046.19-291,232.20-115,534.41

Finding the Fourth Proportional to 211,046.19, 291,232.20 and 115,534.41

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Solution

The fourth proportional to 211,046.19, 291,232.20 and 115,534.41 is: 159,431.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,046.19 : 291,232.20 = 115,534.41 : x
  2. Step 2: Convert to fraction form
    211,046.19/291,232.20 = 115,534.41/x
  3. Step 3: Cross multiply
    211,046.19x = 291,232.20 × 115,534.41
  4. Step 4: Simplify right side
    211,046.19x = 33,647,340,400.00
  5. Step 5: Solve for x
    x = 33,647,340,400.00/211,046.19
  6. Step 6: Final answer
    x = 159,431.17

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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.