Home / 110,311.80-164,220.24-109,655.70

Finding the Fourth Proportional to 110,311.80, 164,220.24 and 109,655.70

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Solution

The fourth proportional to 110,311.80, 164,220.24 and 109,655.70 is: 163,243.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,311.80 : 164,220.24 = 109,655.70 : x
  2. Step 2: Convert to fraction form
    110,311.80/164,220.24 = 109,655.70/x
  3. Step 3: Cross multiply
    110,311.80x = 164,220.24 × 109,655.70
  4. Step 4: Simplify right side
    110,311.80x = 18,007,685,371.37
  5. Step 5: Solve for x
    x = 18,007,685,371.37/110,311.80
  6. Step 6: Final answer
    x = 163,243.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.