Home / 300,519.32-450,063.36-173,892.69

Finding the Fourth Proportional to 300,519.32, 450,063.36 and 173,892.69

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Solution

The fourth proportional to 300,519.32, 450,063.36 and 173,892.69 is: 260,424.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,519.32 : 450,063.36 = 173,892.69 : x
  2. Step 2: Convert to fraction form
    300,519.32/450,063.36 = 173,892.69/x
  3. Step 3: Cross multiply
    300,519.32x = 450,063.36 × 173,892.69
  4. Step 4: Simplify right side
    300,519.32x = 78,262,728,340.84
  5. Step 5: Solve for x
    x = 78,262,728,340.84/300,519.32
  6. Step 6: Final answer
    x = 260,424.95

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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.