Home / 189,766.73-261,757.10-144,345.04

Finding the Fourth Proportional to 189,766.73, 261,757.10 and 144,345.04

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Solution

The fourth proportional to 189,766.73, 261,757.10 and 144,345.04 is: 199,104.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,766.73 : 261,757.10 = 144,345.04 : x
  2. Step 2: Convert to fraction form
    189,766.73/261,757.10 = 144,345.04/x
  3. Step 3: Cross multiply
    189,766.73x = 261,757.10 × 144,345.04
  4. Step 4: Simplify right side
    189,766.73x = 37,783,338,776.25
  5. Step 5: Solve for x
    x = 37,783,338,776.25/189,766.73
  6. Step 6: Final answer
    x = 199,104.12

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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.