Home / 301,968.40-453,211.80-133,747.60

Finding the Fourth Proportional to 301,968.40, 453,211.80 and 133,747.60

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Solution

The fourth proportional to 301,968.40, 453,211.80 and 133,747.60 is: 200,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,968.40 : 453,211.80 = 133,747.60 : x
  2. Step 2: Convert to fraction form
    301,968.40/453,211.80 = 133,747.60/x
  3. Step 3: Cross multiply
    301,968.40x = 453,211.80 × 133,747.60
  4. Step 4: Simplify right side
    301,968.40x = 60,615,990,541.68
  5. Step 5: Solve for x
    x = 60,615,990,541.68/301,968.40
  6. Step 6: Final answer
    x = 200,736.20

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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.