Home / 178,860.72-246,826.98-102,379.44

Finding the Fourth Proportional to 178,860.72, 246,826.98 and 102,379.44

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Solution

The fourth proportional to 178,860.72, 246,826.98 and 102,379.44 is: 141,283.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,860.72 : 246,826.98 = 102,379.44 : x
  2. Step 2: Convert to fraction form
    178,860.72/246,826.98 = 102,379.44/x
  3. Step 3: Cross multiply
    178,860.72x = 246,826.98 × 102,379.44
  4. Step 4: Simplify right side
    178,860.72x = 25,270,007,989.29
  5. Step 5: Solve for x
    x = 25,270,007,989.29/178,860.72
  6. Step 6: Final answer
    x = 141,283.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.