Home / 280,183.86-386,664.57-159,336.18

Finding the Fourth Proportional to 280,183.86, 386,664.57 and 159,336.18

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Solution

The fourth proportional to 280,183.86, 386,664.57 and 159,336.18 is: 219,890.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,183.86 : 386,664.57 = 159,336.18 : x
  2. Step 2: Convert to fraction form
    280,183.86/386,664.57 = 159,336.18/x
  3. Step 3: Cross multiply
    280,183.86x = 386,664.57 × 159,336.18
  4. Step 4: Simplify right side
    280,183.86x = 61,609,655,525.14
  5. Step 5: Solve for x
    x = 61,609,655,525.14/280,183.86
  6. Step 6: Final answer
    x = 219,890.09

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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.