Home / 105,455.12-158,180.85-26,567.60

Finding the Fourth Proportional to 105,455.12, 158,180.85 and 26,567.60

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Solution

The fourth proportional to 105,455.12, 158,180.85 and 26,567.60 is: 39,850.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,455.12 : 158,180.85 = 26,567.60 : x
  2. Step 2: Convert to fraction form
    105,455.12/158,180.85 = 26,567.60/x
  3. Step 3: Cross multiply
    105,455.12x = 158,180.85 × 26,567.60
  4. Step 4: Simplify right side
    105,455.12x = 4,202,484,759.56
  5. Step 5: Solve for x
    x = 4,202,484,759.56/105,455.12
  6. Step 6: Final answer
    x = 39,850.93

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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.