Home / 150,485.44-207,197.04-127,776.64

Finding the Fourth Proportional to 150,485.44, 207,197.04 and 127,776.64

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Solution

The fourth proportional to 150,485.44, 207,197.04 and 127,776.64 is: 175,930.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,485.44 : 207,197.04 = 127,776.64 : x
  2. Step 2: Convert to fraction form
    150,485.44/207,197.04 = 127,776.64/x
  3. Step 3: Cross multiply
    150,485.44x = 207,197.04 × 127,776.64
  4. Step 4: Simplify right side
    150,485.44x = 26,474,941,589.15
  5. Step 5: Solve for x
    x = 26,474,941,589.15/150,485.44
  6. Step 6: Final answer
    x = 175,930.25

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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.