Home / 303,584.20-455,651.70-153,928.60

Finding the Fourth Proportional to 303,584.20, 455,651.70 and 153,928.60

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Solution

The fourth proportional to 303,584.20, 455,651.70 and 153,928.60 is: 231,032.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,584.20 : 455,651.70 = 153,928.60 : x
  2. Step 2: Convert to fraction form
    303,584.20/455,651.70 = 153,928.60/x
  3. Step 3: Cross multiply
    303,584.20x = 455,651.70 × 153,928.60
  4. Step 4: Simplify right side
    303,584.20x = 70,137,828,268.62
  5. Step 5: Solve for x
    x = 70,137,828,268.62/303,584.20
  6. Step 6: Final answer
    x = 231,032.54

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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.