Home / 197,785.11-272,943.77-117,252.21

Finding the Fourth Proportional to 197,785.11, 272,943.77 and 117,252.21

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Solution

The fourth proportional to 197,785.11, 272,943.77 and 117,252.21 is: 161,808.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,785.11 : 272,943.77 = 117,252.21 : x
  2. Step 2: Convert to fraction form
    197,785.11/272,943.77 = 117,252.21/x
  3. Step 3: Cross multiply
    197,785.11x = 272,943.77 × 117,252.21
  4. Step 4: Simplify right side
    197,785.11x = 32,003,259,651.97
  5. Step 5: Solve for x
    x = 32,003,259,651.97/197,785.11
  6. Step 6: Final answer
    x = 161,808.24

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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.