Home / 301,405.25-416,056.07-226,172.45

Finding the Fourth Proportional to 301,405.25, 416,056.07 and 226,172.45

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Solution

The fourth proportional to 301,405.25, 416,056.07 and 226,172.45 is: 312,205.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,405.25 : 416,056.07 = 226,172.45 : x
  2. Step 2: Convert to fraction form
    301,405.25/416,056.07 = 226,172.45/x
  3. Step 3: Cross multiply
    301,405.25x = 416,056.07 × 226,172.45
  4. Step 4: Simplify right side
    301,405.25x = 94,100,419,174.42
  5. Step 5: Solve for x
    x = 94,100,419,174.42/301,405.25
  6. Step 6: Final answer
    x = 312,205.65

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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.