Home / 106,848.45-160,157.34-69,435.36

Finding the Fourth Proportional to 106,848.45, 160,157.34 and 69,435.36

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Solution

The fourth proportional to 106,848.45, 160,157.34 and 69,435.36 is: 104,078.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,848.45 : 160,157.34 = 69,435.36 : x
  2. Step 2: Convert to fraction form
    106,848.45/160,157.34 = 69,435.36/x
  3. Step 3: Cross multiply
    106,848.45x = 160,157.34 × 69,435.36
  4. Step 4: Simplify right side
    106,848.45x = 11,120,582,559.54
  5. Step 5: Solve for x
    x = 11,120,582,559.54/106,848.45
  6. Step 6: Final answer
    x = 104,078.09

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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.