Home / 195,621.20-293,431.80-136,638.80

Finding the Fourth Proportional to 195,621.20, 293,431.80 and 136,638.80

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Solution

The fourth proportional to 195,621.20, 293,431.80 and 136,638.80 is: 204,958.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,621.20 : 293,431.80 = 136,638.80 : x
  2. Step 2: Convert to fraction form
    195,621.20/293,431.80 = 136,638.80/x
  3. Step 3: Cross multiply
    195,621.20x = 293,431.80 × 136,638.80
  4. Step 4: Simplify right side
    195,621.20x = 40,094,169,033.84
  5. Step 5: Solve for x
    x = 40,094,169,033.84/195,621.20
  6. Step 6: Final answer
    x = 204,958.20

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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.