Home / 173,435.60-260,211.72-68,265.20

Finding the Fourth Proportional to 173,435.60, 260,211.72 and 68,265.20

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Solution

The fourth proportional to 173,435.60, 260,211.72 and 68,265.20 is: 102,420.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,435.60 : 260,211.72 = 68,265.20 : x
  2. Step 2: Convert to fraction form
    173,435.60/260,211.72 = 68,265.20/x
  3. Step 3: Cross multiply
    173,435.60x = 260,211.72 × 68,265.20
  4. Step 4: Simplify right side
    173,435.60x = 17,763,405,108.14
  5. Step 5: Solve for x
    x = 17,763,405,108.14/173,435.60
  6. Step 6: Final answer
    x = 102,420.76

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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.