Home / 198,053.28-273,299.40-112,011.84

Finding the Fourth Proportional to 198,053.28, 273,299.40 and 112,011.84

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Solution

The fourth proportional to 198,053.28, 273,299.40 and 112,011.84 is: 154,568.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,053.28 : 273,299.40 = 112,011.84 : x
  2. Step 2: Convert to fraction form
    198,053.28/273,299.40 = 112,011.84/x
  3. Step 3: Cross multiply
    198,053.28x = 273,299.40 × 112,011.84
  4. Step 4: Simplify right side
    198,053.28x = 30,612,768,664.90
  5. Step 5: Solve for x
    x = 30,612,768,664.90/198,053.28
  6. Step 6: Final answer
    x = 154,568.35

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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.