Home / 383,212.95-528,834.02-222,161.34

Finding the Fourth Proportional to 383,212.95, 528,834.02 and 222,161.34

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Solution

The fourth proportional to 383,212.95, 528,834.02 and 222,161.34 is: 306,582.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,212.95 : 528,834.02 = 222,161.34 : x
  2. Step 2: Convert to fraction form
    383,212.95/528,834.02 = 222,161.34/x
  3. Step 3: Cross multiply
    383,212.95x = 528,834.02 × 222,161.34
  4. Step 4: Simplify right side
    383,212.95x = 117,486,474,520.79
  5. Step 5: Solve for x
    x = 117,486,474,520.79/383,212.95
  6. Step 6: Final answer
    x = 306,582.74

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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.