Home / 192,690.06-265,912.52-107,807.19

Finding the Fourth Proportional to 192,690.06, 265,912.52 and 107,807.19

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Solution

The fourth proportional to 192,690.06, 265,912.52 and 107,807.19 is: 148,774.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,690.06 : 265,912.52 = 107,807.19 : x
  2. Step 2: Convert to fraction form
    192,690.06/265,912.52 = 107,807.19/x
  3. Step 3: Cross multiply
    192,690.06x = 265,912.52 × 107,807.19
  4. Step 4: Simplify right side
    192,690.06x = 28,667,281,027.98
  5. Step 5: Solve for x
    x = 28,667,281,027.98/192,690.06
  6. Step 6: Final answer
    x = 148,774.05

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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.