Home / 318,181.08-439,085.94-174,939.86

Finding the Fourth Proportional to 318,181.08, 439,085.94 and 174,939.86

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Solution

The fourth proportional to 318,181.08, 439,085.94 and 174,939.86 is: 241,414.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,181.08 : 439,085.94 = 174,939.86 : x
  2. Step 2: Convert to fraction form
    318,181.08/439,085.94 = 174,939.86/x
  3. Step 3: Cross multiply
    318,181.08x = 439,085.94 × 174,939.86
  4. Step 4: Simplify right side
    318,181.08x = 76,813,632,871.57
  5. Step 5: Solve for x
    x = 76,813,632,871.57/318,181.08
  6. Step 6: Final answer
    x = 241,414.83

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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.