Home / 260,381.19-390,568.94-197,586.95

Finding the Fourth Proportional to 260,381.19, 390,568.94 and 197,586.95

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Solution

The fourth proportional to 260,381.19, 390,568.94 and 197,586.95 is: 296,378.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,381.19 : 390,568.94 = 197,586.95 : x
  2. Step 2: Convert to fraction form
    260,381.19/390,568.94 = 197,586.95/x
  3. Step 3: Cross multiply
    260,381.19x = 390,568.94 × 197,586.95
  4. Step 4: Simplify right side
    260,381.19x = 77,171,325,619.33
  5. Step 5: Solve for x
    x = 77,171,325,619.33/260,381.19
  6. Step 6: Final answer
    x = 296,378.27

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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.