Home / 189,473.72-261,474.08-104,590.85

Finding the Fourth Proportional to 189,473.72, 261,474.08 and 104,590.85

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Solution

The fourth proportional to 189,473.72, 261,474.08 and 104,590.85 is: 144,335.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,473.72 : 261,474.08 = 104,590.85 : x
  2. Step 2: Convert to fraction form
    189,473.72/261,474.08 = 104,590.85/x
  3. Step 3: Cross multiply
    189,473.72x = 261,474.08 × 104,590.85
  4. Step 4: Simplify right side
    189,473.72x = 27,347,794,449.84
  5. Step 5: Solve for x
    x = 27,347,794,449.84/189,473.72
  6. Step 6: Final answer
    x = 144,335.56

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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.