Home / 159,121.52-238,664.45-40,795.64

Finding the Fourth Proportional to 159,121.52, 238,664.45 and 40,795.64

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Solution

The fourth proportional to 159,121.52, 238,664.45 and 40,795.64 is: 61,188.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,121.52 : 238,664.45 = 40,795.64 : x
  2. Step 2: Convert to fraction form
    159,121.52/238,664.45 = 40,795.64/x
  3. Step 3: Cross multiply
    159,121.52x = 238,664.45 × 40,795.64
  4. Step 4: Simplify right side
    159,121.52x = 9,736,467,585.70
  5. Step 5: Solve for x
    x = 9,736,467,585.70/159,121.52
  6. Step 6: Final answer
    x = 61,188.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.