Home / 205,366.92-283,288.04-123,638.34

Finding the Fourth Proportional to 205,366.92, 283,288.04 and 123,638.34

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Solution

The fourth proportional to 205,366.92, 283,288.04 and 123,638.34 is: 170,549.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,366.92 : 283,288.04 = 123,638.34 : x
  2. Step 2: Convert to fraction form
    205,366.92/283,288.04 = 123,638.34/x
  3. Step 3: Cross multiply
    205,366.92x = 283,288.04 × 123,638.34
  4. Step 4: Simplify right side
    205,366.92x = 35,025,263,007.45
  5. Step 5: Solve for x
    x = 35,025,263,007.45/205,366.92
  6. Step 6: Final answer
    x = 170,549.68

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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.