Home / 280,110.27-419,968.59-102,594.21

Finding the Fourth Proportional to 280,110.27, 419,968.59 and 102,594.21

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Solution

The fourth proportional to 280,110.27, 419,968.59 and 102,594.21 is: 153,819.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,110.27 : 419,968.59 = 102,594.21 : x
  2. Step 2: Convert to fraction form
    280,110.27/419,968.59 = 102,594.21/x
  3. Step 3: Cross multiply
    280,110.27x = 419,968.59 × 102,594.21
  4. Step 4: Simplify right side
    280,110.27x = 43,086,345,715.86
  5. Step 5: Solve for x
    x = 43,086,345,715.86/280,110.27
  6. Step 6: Final answer
    x = 153,819.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.