Home / 151,244.44-208,729.38-87,583.36

Finding the Fourth Proportional to 151,244.44, 208,729.38 and 87,583.36

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Solution

The fourth proportional to 151,244.44, 208,729.38 and 87,583.36 is: 120,872.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,244.44 : 208,729.38 = 87,583.36 : x
  2. Step 2: Convert to fraction form
    151,244.44/208,729.38 = 87,583.36/x
  3. Step 3: Cross multiply
    151,244.44x = 208,729.38 × 87,583.36
  4. Step 4: Simplify right side
    151,244.44x = 18,281,220,431.12
  5. Step 5: Solve for x
    x = 18,281,220,431.12/151,244.44
  6. Step 6: Final answer
    x = 120,872.02

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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.