Home / 128,586.57-192,825.63-48,611.04

Finding the Fourth Proportional to 128,586.57, 192,825.63 and 48,611.04

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Solution

The fourth proportional to 128,586.57, 192,825.63 and 48,611.04 is: 72,896.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,586.57 : 192,825.63 = 48,611.04 : x
  2. Step 2: Convert to fraction form
    128,586.57/192,825.63 = 48,611.04/x
  3. Step 3: Cross multiply
    128,586.57x = 192,825.63 × 48,611.04
  4. Step 4: Simplify right side
    128,586.57x = 9,373,454,412.96
  5. Step 5: Solve for x
    x = 9,373,454,412.96/128,586.57
  6. Step 6: Final answer
    x = 72,896.06

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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.