Home / 106,821.42-160,231.93-40,276.48

Finding the Fourth Proportional to 106,821.42, 160,231.93 and 40,276.48

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Solution

The fourth proportional to 106,821.42, 160,231.93 and 40,276.48 is: 60,414.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,821.42 : 160,231.93 = 40,276.48 : x
  2. Step 2: Convert to fraction form
    106,821.42/160,231.93 = 40,276.48/x
  3. Step 3: Cross multiply
    106,821.42x = 160,231.93 × 40,276.48
  4. Step 4: Simplify right side
    106,821.42x = 6,453,578,124.01
  5. Step 5: Solve for x
    x = 6,453,578,124.01/106,821.42
  6. Step 6: Final answer
    x = 60,414.64

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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.