Home / 295,048.20-442,716.30-137,195.40

Finding the Fourth Proportional to 295,048.20, 442,716.30 and 137,195.40

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Solution

The fourth proportional to 295,048.20, 442,716.30 and 137,195.40 is: 205,860.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,048.20 : 442,716.30 = 137,195.40 : x
  2. Step 2: Convert to fraction form
    295,048.20/442,716.30 = 137,195.40/x
  3. Step 3: Cross multiply
    295,048.20x = 442,716.30 × 137,195.40
  4. Step 4: Simplify right side
    295,048.20x = 60,738,639,865.02
  5. Step 5: Solve for x
    x = 60,738,639,865.02/295,048.20
  6. Step 6: Final answer
    x = 205,860.06

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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.