Home / 383,200.06-528,816.23-222,148.47

Finding the Fourth Proportional to 383,200.06, 528,816.23 and 222,148.47

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Solution

The fourth proportional to 383,200.06, 528,816.23 and 222,148.47 is: 306,564.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,200.06 : 528,816.23 = 222,148.47 : x
  2. Step 2: Convert to fraction form
    383,200.06/528,816.23 = 222,148.47/x
  3. Step 3: Cross multiply
    383,200.06x = 528,816.23 × 222,148.47
  4. Step 4: Simplify right side
    383,200.06x = 117,475,715,294.93
  5. Step 5: Solve for x
    x = 117,475,715,294.93/383,200.06
  6. Step 6: Final answer
    x = 306,564.97

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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.