Home / 410,629.98-615,944.94-130,147.23

Finding the Fourth Proportional to 410,629.98, 615,944.94 and 130,147.23

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Solution

The fourth proportional to 410,629.98, 615,944.94 and 130,147.23 is: 195,220.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,629.98 : 615,944.94 = 130,147.23 : x
  2. Step 2: Convert to fraction form
    410,629.98/615,944.94 = 130,147.23/x
  3. Step 3: Cross multiply
    410,629.98x = 615,944.94 × 130,147.23
  4. Step 4: Simplify right side
    410,629.98x = 80,163,527,773.52
  5. Step 5: Solve for x
    x = 80,163,527,773.52/410,629.98
  6. Step 6: Final answer
    x = 195,220.84

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Similar ratio
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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.