Home / 113,513.40-170,297.70-51,183.96

Finding the Fourth Proportional to 113,513.40, 170,297.70 and 51,183.96

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Solution

The fourth proportional to 113,513.40, 170,297.70 and 51,183.96 is: 76,788.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,513.40 : 170,297.70 = 51,183.96 : x
  2. Step 2: Convert to fraction form
    113,513.40/170,297.70 = 51,183.96/x
  3. Step 3: Cross multiply
    113,513.40x = 170,297.70 × 51,183.96
  4. Step 4: Simplify right side
    113,513.40x = 8,716,510,664.89
  5. Step 5: Solve for x
    x = 8,716,510,664.89/113,513.40
  6. Step 6: Final answer
    x = 76,788.39

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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.