Home / 159,796.08-238,478.84-142,081.92

Finding the Fourth Proportional to 159,796.08, 238,478.84 and 142,081.92

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Solution

The fourth proportional to 159,796.08, 238,478.84 and 142,081.92 is: 212,042.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,796.08 : 238,478.84 = 142,081.92 : x
  2. Step 2: Convert to fraction form
    159,796.08/238,478.84 = 142,081.92/x
  3. Step 3: Cross multiply
    159,796.08x = 238,478.84 × 142,081.92
  4. Step 4: Simplify right side
    159,796.08x = 33,883,531,466.57
  5. Step 5: Solve for x
    x = 33,883,531,466.57/159,796.08
  6. Step 6: Final answer
    x = 212,042.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.