Home / 268,826.93-403,298.71-81,833.57

Finding the Fourth Proportional to 268,826.93, 403,298.71 and 81,833.57

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Solution

The fourth proportional to 268,826.93, 403,298.71 and 81,833.57 is: 122,768.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,826.93 : 403,298.71 = 81,833.57 : x
  2. Step 2: Convert to fraction form
    268,826.93/403,298.71 = 81,833.57/x
  3. Step 3: Cross multiply
    268,826.93x = 403,298.71 × 81,833.57
  4. Step 4: Simplify right side
    268,826.93x = 33,003,370,790.03
  5. Step 5: Solve for x
    x = 33,003,370,790.03/268,826.93
  6. Step 6: Final answer
    x = 122,768.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.