Home / 178,662.26-268,038.35-78,850.01

Finding the Fourth Proportional to 178,662.26, 268,038.35 and 78,850.01

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Solution

The fourth proportional to 178,662.26, 268,038.35 and 78,850.01 is: 118,294.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,662.26 : 268,038.35 = 78,850.01 : x
  2. Step 2: Convert to fraction form
    178,662.26/268,038.35 = 78,850.01/x
  3. Step 3: Cross multiply
    178,662.26x = 268,038.35 × 78,850.01
  4. Step 4: Simplify right side
    178,662.26x = 21,134,824,843.44
  5. Step 5: Solve for x
    x = 21,134,824,843.44/178,662.26
  6. Step 6: Final answer
    x = 118,294.85

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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.