Home / 106,964.16-160,439.76-28,076.64

Finding the Fourth Proportional to 106,964.16, 160,439.76 and 28,076.64

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Solution

The fourth proportional to 106,964.16, 160,439.76 and 28,076.64 is: 42,113.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,964.16 : 160,439.76 = 28,076.64 : x
  2. Step 2: Convert to fraction form
    106,964.16/160,439.76 = 28,076.64/x
  3. Step 3: Cross multiply
    106,964.16x = 160,439.76 × 28,076.64
  4. Step 4: Simplify right side
    106,964.16x = 4,504,609,383.21
  5. Step 5: Solve for x
    x = 4,504,609,383.21/106,964.16
  6. Step 6: Final answer
    x = 42,113.26

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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.