Home / 278,336.53-384,104.44-151,012.14

Finding the Fourth Proportional to 278,336.53, 384,104.44 and 151,012.14

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Solution

The fourth proportional to 278,336.53, 384,104.44 and 151,012.14 is: 208,396.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,336.53 : 384,104.44 = 151,012.14 : x
  2. Step 2: Convert to fraction form
    278,336.53/384,104.44 = 151,012.14/x
  3. Step 3: Cross multiply
    278,336.53x = 384,104.44 × 151,012.14
  4. Step 4: Simplify right side
    278,336.53x = 58,004,433,467.90
  5. Step 5: Solve for x
    x = 58,004,433,467.90/278,336.53
  6. Step 6: Final answer
    x = 208,396.77

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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.