Home / 113,820.62-170,583.30-76,324.51

Finding the Fourth Proportional to 113,820.62, 170,583.30 and 76,324.51

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Solution

The fourth proportional to 113,820.62, 170,583.30 and 76,324.51 is: 114,387.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,820.62 : 170,583.30 = 76,324.51 : x
  2. Step 2: Convert to fraction form
    113,820.62/170,583.30 = 76,324.51/x
  3. Step 3: Cross multiply
    113,820.62x = 170,583.30 × 76,324.51
  4. Step 4: Simplify right side
    113,820.62x = 13,019,686,786.68
  5. Step 5: Solve for x
    x = 13,019,686,786.68/113,820.62
  6. Step 6: Final answer
    x = 114,387.77

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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.