Home / 278,816.16-384,751.94-151,491.44

Finding the Fourth Proportional to 278,816.16, 384,751.94 and 151,491.44

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Solution

The fourth proportional to 278,816.16, 384,751.94 and 151,491.44 is: 209,050.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,816.16 : 384,751.94 = 151,491.44 : x
  2. Step 2: Convert to fraction form
    278,816.16/384,751.94 = 151,491.44/x
  3. Step 3: Cross multiply
    278,816.16x = 384,751.94 × 151,491.44
  4. Step 4: Simplify right side
    278,816.16x = 58,286,625,433.39
  5. Step 5: Solve for x
    x = 58,286,625,433.39/278,816.16
  6. Step 6: Final answer
    x = 209,050.38

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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.