Home / 173,112.20-259,701.97-66,488.36

Finding the Fourth Proportional to 173,112.20, 259,701.97 and 66,488.36

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Solution

The fourth proportional to 173,112.20, 259,701.97 and 66,488.36 is: 99,745.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,112.20 : 259,701.97 = 66,488.36 : x
  2. Step 2: Convert to fraction form
    173,112.20/259,701.97 = 66,488.36/x
  3. Step 3: Cross multiply
    173,112.20x = 259,701.97 × 66,488.36
  4. Step 4: Simplify right side
    173,112.20x = 17,267,158,157.18
  5. Step 5: Solve for x
    x = 17,267,158,157.18/173,112.20
  6. Step 6: Final answer
    x = 99,745.47

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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.