Home / 383,161.03-528,762.38-222,109.50

Finding the Fourth Proportional to 383,161.03, 528,762.38 and 222,109.50

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Solution

The fourth proportional to 383,161.03, 528,762.38 and 222,109.50 is: 306,511.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,161.03 : 528,762.38 = 222,109.50 : x
  2. Step 2: Convert to fraction form
    383,161.03/528,762.38 = 222,109.50/x
  3. Step 3: Cross multiply
    383,161.03x = 528,762.38 × 222,109.50
  4. Step 4: Simplify right side
    383,161.03x = 117,443,145,752.07
  5. Step 5: Solve for x
    x = 117,443,145,752.07/383,161.03
  6. Step 6: Final answer
    x = 306,511.20

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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.