Home / 204,152.94-306,161.37-85,802.22

Finding the Fourth Proportional to 204,152.94, 306,161.37 and 85,802.22

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Solution

The fourth proportional to 204,152.94, 306,161.37 and 85,802.22 is: 128,674.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,152.94 : 306,161.37 = 85,802.22 : x
  2. Step 2: Convert to fraction form
    204,152.94/306,161.37 = 85,802.22/x
  3. Step 3: Cross multiply
    204,152.94x = 306,161.37 × 85,802.22
  4. Step 4: Simplify right side
    204,152.94x = 26,269,325,224.24
  5. Step 5: Solve for x
    x = 26,269,325,224.24/204,152.94
  6. Step 6: Final answer
    x = 128,674.73

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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.