Home / 192,795.52-266,054.72-107,912.32

Finding the Fourth Proportional to 192,795.52, 266,054.72 and 107,912.32

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Solution

The fourth proportional to 192,795.52, 266,054.72 and 107,912.32 is: 148,917.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,795.52 : 266,054.72 = 107,912.32 : x
  2. Step 2: Convert to fraction form
    192,795.52/266,054.72 = 107,912.32/x
  3. Step 3: Cross multiply
    192,795.52x = 266,054.72 × 107,912.32
  4. Step 4: Simplify right side
    192,795.52x = 28,710,582,082.15
  5. Step 5: Solve for x
    x = 28,710,582,082.15/192,795.52
  6. Step 6: Final answer
    x = 148,917.27

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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.