Home / 250,447.72-345,416.52-220,168.84

Finding the Fourth Proportional to 250,447.72, 345,416.52 and 220,168.84

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Solution

The fourth proportional to 250,447.72, 345,416.52 and 220,168.84 is: 303,656.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,447.72 : 345,416.52 = 220,168.84 : x
  2. Step 2: Convert to fraction form
    250,447.72/345,416.52 = 220,168.84/x
  3. Step 3: Cross multiply
    250,447.72x = 345,416.52 × 220,168.84
  4. Step 4: Simplify right side
    250,447.72x = 76,049,954,525.24
  5. Step 5: Solve for x
    x = 76,049,954,525.24/250,447.72
  6. Step 6: Final answer
    x = 303,656.01

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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.