Home / 195,949.21-294,054.90-71,290.21

Finding the Fourth Proportional to 195,949.21, 294,054.90 and 71,290.21

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Solution

The fourth proportional to 195,949.21, 294,054.90 and 71,290.21 is: 106,983.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,949.21 : 294,054.90 = 71,290.21 : x
  2. Step 2: Convert to fraction form
    195,949.21/294,054.90 = 71,290.21/x
  3. Step 3: Cross multiply
    195,949.21x = 294,054.90 × 71,290.21
  4. Step 4: Simplify right side
    195,949.21x = 20,963,235,572.53
  5. Step 5: Solve for x
    x = 20,963,235,572.53/195,949.21
  6. Step 6: Final answer
    x = 106,983.01

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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.