Home / 109,772.37-164,621.66-43,195.05

Finding the Fourth Proportional to 109,772.37, 164,621.66 and 43,195.05

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Solution

The fourth proportional to 109,772.37, 164,621.66 and 43,195.05 is: 64,778.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,772.37 : 164,621.66 = 43,195.05 : x
  2. Step 2: Convert to fraction form
    109,772.37/164,621.66 = 43,195.05/x
  3. Step 3: Cross multiply
    109,772.37x = 164,621.66 × 43,195.05
  4. Step 4: Simplify right side
    109,772.37x = 7,110,840,618.81
  5. Step 5: Solve for x
    x = 7,110,840,618.81/109,772.37
  6. Step 6: Final answer
    x = 64,778.05

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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.