Home / 383,212.04-528,832.74-222,160.44

Finding the Fourth Proportional to 383,212.04, 528,832.74 and 222,160.44

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Solution

The fourth proportional to 383,212.04, 528,832.74 and 222,160.44 is: 306,581.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,212.04 : 528,832.74 = 222,160.44 : x
  2. Step 2: Convert to fraction form
    383,212.04/528,832.74 = 222,160.44/x
  3. Step 3: Cross multiply
    383,212.04x = 528,832.74 × 222,160.44
  4. Step 4: Simplify right side
    383,212.04x = 117,485,714,204.81
  5. Step 5: Solve for x
    x = 117,485,714,204.81/383,212.04
  6. Step 6: Final answer
    x = 306,581.48

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1.5x scale

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.