Home / 219,339.77-302,694.39-123,847.15

Finding the Fourth Proportional to 219,339.77, 302,694.39 and 123,847.15

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Solution

The fourth proportional to 219,339.77, 302,694.39 and 123,847.15 is: 170,912.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,339.77 : 302,694.39 = 123,847.15 : x
  2. Step 2: Convert to fraction form
    219,339.77/302,694.39 = 123,847.15/x
  3. Step 3: Cross multiply
    219,339.77x = 302,694.39 × 123,847.15
  4. Step 4: Simplify right side
    219,339.77x = 37,487,838,532.95
  5. Step 5: Solve for x
    x = 37,487,838,532.95/219,339.77
  6. Step 6: Final answer
    x = 170,912.18

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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.