Home / 211,025.99-291,216.71-115,541.57

Finding the Fourth Proportional to 211,025.99, 291,216.71 and 115,541.57

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Solution

The fourth proportional to 211,025.99, 291,216.71 and 115,541.57 is: 159,447.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,025.99 : 291,216.71 = 115,541.57 : x
  2. Step 2: Convert to fraction form
    211,025.99/291,216.71 = 115,541.57/x
  3. Step 3: Cross multiply
    211,025.99x = 291,216.71 × 115,541.57
  4. Step 4: Simplify right side
    211,025.99x = 33,647,634,716.41
  5. Step 5: Solve for x
    x = 33,647,634,716.41/211,025.99
  6. Step 6: Final answer
    x = 159,447.83

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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.