Home / 211,028.84-291,208.74-115,517.24

Finding the Fourth Proportional to 211,028.84, 291,208.74 and 115,517.24

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Solution

The fourth proportional to 211,028.84, 291,208.74 and 115,517.24 is: 159,407.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,028.84 : 291,208.74 = 115,517.24 : x
  2. Step 2: Convert to fraction form
    211,028.84/291,208.74 = 115,517.24/x
  3. Step 3: Cross multiply
    211,028.84x = 291,208.74 × 115,517.24
  4. Step 4: Simplify right side
    211,028.84x = 33,639,629,908.68
  5. Step 5: Solve for x
    x = 33,639,629,908.68/211,028.84
  6. Step 6: Final answer
    x = 159,407.74

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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.