Home / 113,321.83-169,563.47-68,369.26

Finding the Fourth Proportional to 113,321.83, 169,563.47 and 68,369.26

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Solution

The fourth proportional to 113,321.83, 169,563.47 and 68,369.26 is: 102,300.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,321.83 : 169,563.47 = 68,369.26 : x
  2. Step 2: Convert to fraction form
    113,321.83/169,563.47 = 68,369.26/x
  3. Step 3: Cross multiply
    113,321.83x = 169,563.47 × 68,369.26
  4. Step 4: Simplify right side
    113,321.83x = 11,592,928,519.11
  5. Step 5: Solve for x
    x = 11,592,928,519.11/113,321.83
  6. Step 6: Final answer
    x = 102,300.93

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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.