Home / 278,829.24-384,787.36-151,504.83

Finding the Fourth Proportional to 278,829.24, 384,787.36 and 151,504.83

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Solution

The fourth proportional to 278,829.24, 384,787.36 and 151,504.83 is: 209,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,829.24 : 384,787.36 = 151,504.83 : x
  2. Step 2: Convert to fraction form
    278,829.24/384,787.36 = 151,504.83/x
  3. Step 3: Cross multiply
    278,829.24x = 384,787.36 × 151,504.83
  4. Step 4: Simplify right side
    278,829.24x = 58,297,143,752.33
  5. Step 5: Solve for x
    x = 58,297,143,752.33/278,829.24
  6. Step 6: Final answer
    x = 209,078.30

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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.