Home / 158,815.44-237,999.19-87,770.07

Finding the Fourth Proportional to 158,815.44, 237,999.19 and 87,770.07

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Solution

The fourth proportional to 158,815.44, 237,999.19 and 87,770.07 is: 131,531.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,815.44 : 237,999.19 = 87,770.07 : x
  2. Step 2: Convert to fraction form
    158,815.44/237,999.19 = 87,770.07/x
  3. Step 3: Cross multiply
    158,815.44x = 237,999.19 × 87,770.07
  4. Step 4: Simplify right side
    158,815.44x = 20,889,204,156.82
  5. Step 5: Solve for x
    x = 20,889,204,156.82/158,815.44
  6. Step 6: Final answer
    x = 131,531.32

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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.