Home / 383,200.04-528,816.18-222,148.44

Finding the Fourth Proportional to 383,200.04, 528,816.18 and 222,148.44

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Solution

The fourth proportional to 383,200.04, 528,816.18 and 222,148.44 is: 306,564.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,200.04 : 528,816.18 = 222,148.44 : x
  2. Step 2: Convert to fraction form
    383,200.04/528,816.18 = 222,148.44/x
  3. Step 3: Cross multiply
    383,200.04x = 528,816.18 × 222,148.44
  4. Step 4: Simplify right side
    383,200.04x = 117,475,689,433.76
  5. Step 5: Solve for x
    x = 117,475,689,433.76/383,200.04
  6. Step 6: Final answer
    x = 306,564.92

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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.