Home / 109,112.07-163,668.07-30,226.30

Finding the Fourth Proportional to 109,112.07, 163,668.07 and 30,226.30

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Solution

The fourth proportional to 109,112.07, 163,668.07 and 30,226.30 is: 45,339.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,112.07 : 163,668.07 = 30,226.30 : x
  2. Step 2: Convert to fraction form
    109,112.07/163,668.07 = 30,226.30/x
  3. Step 3: Cross multiply
    109,112.07x = 163,668.07 × 30,226.30
  4. Step 4: Simplify right side
    109,112.07x = 4,947,080,184.24
  5. Step 5: Solve for x
    x = 4,947,080,184.24/109,112.07
  6. Step 6: Final answer
    x = 45,339.44

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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.