Home / 189,194.52-261,083.04-104,311.68

Finding the Fourth Proportional to 189,194.52, 261,083.04 and 104,311.68

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Solution

The fourth proportional to 189,194.52, 261,083.04 and 104,311.68 is: 143,947.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,194.52 : 261,083.04 = 104,311.68 : x
  2. Step 2: Convert to fraction form
    189,194.52/261,083.04 = 104,311.68/x
  3. Step 3: Cross multiply
    189,194.52x = 261,083.04 × 104,311.68
  4. Step 4: Simplify right side
    189,194.52x = 27,234,010,521.91
  5. Step 5: Solve for x
    x = 27,234,010,521.91/189,194.52
  6. Step 6: Final answer
    x = 143,947.14

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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.