Home / 295,326.20-442,989.30-137,570.60

Finding the Fourth Proportional to 295,326.20, 442,989.30 and 137,570.60

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Solution

The fourth proportional to 295,326.20, 442,989.30 and 137,570.60 is: 206,355.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,326.20 : 442,989.30 = 137,570.60 : x
  2. Step 2: Convert to fraction form
    295,326.20/442,989.30 = 137,570.60/x
  3. Step 3: Cross multiply
    295,326.20x = 442,989.30 × 137,570.60
  4. Step 4: Simplify right side
    295,326.20x = 60,942,303,794.58
  5. Step 5: Solve for x
    x = 60,942,303,794.58/295,326.20
  6. Step 6: Final answer
    x = 206,355.90

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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.