Home / 119,094.08-178,682.32-79,272.80

Finding the Fourth Proportional to 119,094.08, 178,682.32 and 79,272.80

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Solution

The fourth proportional to 119,094.08, 178,682.32 and 79,272.80 is: 118,936.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,094.08 : 178,682.32 = 79,272.80 : x
  2. Step 2: Convert to fraction form
    119,094.08/178,682.32 = 79,272.80/x
  3. Step 3: Cross multiply
    119,094.08x = 178,682.32 × 79,272.80
  4. Step 4: Simplify right side
    119,094.08x = 14,164,647,816.90
  5. Step 5: Solve for x
    x = 14,164,647,816.90/119,094.08
  6. Step 6: Final answer
    x = 118,936.62

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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.