Home / 198,263.50-273,568.35-112,222.06

Finding the Fourth Proportional to 198,263.50, 273,568.35 and 112,222.06

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Solution

The fourth proportional to 198,263.50, 273,568.35 and 112,222.06 is: 154,846.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,263.50 : 273,568.35 = 112,222.06 : x
  2. Step 2: Convert to fraction form
    198,263.50/273,568.35 = 112,222.06/x
  3. Step 3: Cross multiply
    198,263.50x = 273,568.35 × 112,222.06
  4. Step 4: Simplify right side
    198,263.50x = 30,700,403,787.80
  5. Step 5: Solve for x
    x = 30,700,403,787.80/198,263.50
  6. Step 6: Final answer
    x = 154,846.47

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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.