Home / 109,112.69-150,596.20-68,295.75

Finding the Fourth Proportional to 109,112.69, 150,596.20 and 68,295.75

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Solution

The fourth proportional to 109,112.69, 150,596.20 and 68,295.75 is: 94,261.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,112.69 : 150,596.20 = 68,295.75 : x
  2. Step 2: Convert to fraction form
    109,112.69/150,596.20 = 68,295.75/x
  3. Step 3: Cross multiply
    109,112.69x = 150,596.20 × 68,295.75
  4. Step 4: Simplify right side
    109,112.69x = 10,285,080,084.67
  5. Step 5: Solve for x
    x = 10,285,080,084.67/109,112.69
  6. Step 6: Final answer
    x = 94,261.08

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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.