Home / 189,934.67-262,111.58-103,891.95

Finding the Fourth Proportional to 189,934.67, 262,111.58 and 103,891.95

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Solution

The fourth proportional to 189,934.67, 262,111.58 and 103,891.95 is: 143,371.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,934.67 : 262,111.58 = 103,891.95 : x
  2. Step 2: Convert to fraction form
    189,934.67/262,111.58 = 103,891.95/x
  3. Step 3: Cross multiply
    189,934.67x = 262,111.58 × 103,891.95
  4. Step 4: Simplify right side
    189,934.67x = 27,231,283,033.92
  5. Step 5: Solve for x
    x = 27,231,283,033.92/189,934.67
  6. Step 6: Final answer
    x = 143,371.84

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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.