Home / 281,635.56-388,346.04-179,499.60

Finding the Fourth Proportional to 281,635.56, 388,346.04 and 179,499.60

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Solution

The fourth proportional to 281,635.56, 388,346.04 and 179,499.60 is: 247,511.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,635.56 : 388,346.04 = 179,499.60 : x
  2. Step 2: Convert to fraction form
    281,635.56/388,346.04 = 179,499.60/x
  3. Step 3: Cross multiply
    281,635.56x = 388,346.04 × 179,499.60
  4. Step 4: Simplify right side
    281,635.56x = 69,707,958,841.58
  5. Step 5: Solve for x
    x = 69,707,958,841.58/281,635.56
  6. Step 6: Final answer
    x = 247,511.21

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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.