Home / 113,716.80-170,353.54-69,233.24

Finding the Fourth Proportional to 113,716.80, 170,353.54 and 69,233.24

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Solution

The fourth proportional to 113,716.80, 170,353.54 and 69,233.24 is: 103,714.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,716.80 : 170,353.54 = 69,233.24 : x
  2. Step 2: Convert to fraction form
    113,716.80/170,353.54 = 69,233.24/x
  3. Step 3: Cross multiply
    113,716.80x = 170,353.54 × 69,233.24
  4. Step 4: Simplify right side
    113,716.80x = 11,794,127,519.67
  5. Step 5: Solve for x
    x = 11,794,127,519.67/113,716.80
  6. Step 6: Final answer
    x = 103,714.91

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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.