Home / 383,102.07-528,680.84-222,050.53

Finding the Fourth Proportional to 383,102.07, 528,680.84 and 222,050.53

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Solution

The fourth proportional to 383,102.07, 528,680.84 and 222,050.53 is: 306,429.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,102.07 : 528,680.84 = 222,050.53 : x
  2. Step 2: Convert to fraction form
    383,102.07/528,680.84 = 222,050.53/x
  3. Step 3: Cross multiply
    383,102.07x = 528,680.84 × 222,050.53
  4. Step 4: Simplify right side
    383,102.07x = 117,393,860,722.85
  5. Step 5: Solve for x
    x = 117,393,860,722.85/383,102.07
  6. Step 6: Final answer
    x = 306,429.72

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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.