Home / 198,033.50-273,303.51-108,626.78

Finding the Fourth Proportional to 198,033.50, 273,303.51 and 108,626.78

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Solution

The fourth proportional to 198,033.50, 273,303.51 and 108,626.78 is: 149,914.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,033.50 : 273,303.51 = 108,626.78 : x
  2. Step 2: Convert to fraction form
    198,033.50/273,303.51 = 108,626.78/x
  3. Step 3: Cross multiply
    198,033.50x = 273,303.51 × 108,626.78
  4. Step 4: Simplify right side
    198,033.50x = 29,688,080,254.00
  5. Step 5: Solve for x
    x = 29,688,080,254.00/198,033.50
  6. Step 6: Final answer
    x = 149,914.43

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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.