Home / 106,813.24-160,230.84-40,309.36

Finding the Fourth Proportional to 106,813.24, 160,230.84 and 40,309.36

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Solution

The fourth proportional to 106,813.24, 160,230.84 and 40,309.36 is: 60,468.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,813.24 : 160,230.84 = 40,309.36 : x
  2. Step 2: Convert to fraction form
    106,813.24/160,230.84 = 40,309.36/x
  3. Step 3: Cross multiply
    106,813.24x = 160,230.84 × 40,309.36
  4. Step 4: Simplify right side
    106,813.24x = 6,458,802,612.66
  5. Step 5: Solve for x
    x = 6,458,802,612.66/106,813.24
  6. Step 6: Final answer
    x = 60,468.18

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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.