Home / 151,236.44-208,718.34-87,575.36

Finding the Fourth Proportional to 151,236.44, 208,718.34 and 87,575.36

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Solution

The fourth proportional to 151,236.44, 208,718.34 and 87,575.36 is: 120,860.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,236.44 : 208,718.34 = 87,575.36 : x
  2. Step 2: Convert to fraction form
    151,236.44/208,718.34 = 87,575.36/x
  3. Step 3: Cross multiply
    151,236.44x = 208,718.34 × 87,575.36
  4. Step 4: Simplify right side
    151,236.44x = 18,278,583,764.10
  5. Step 5: Solve for x
    x = 18,278,583,764.10/151,236.44
  6. Step 6: Final answer
    x = 120,860.98

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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.