Home / 198,373.77-273,758.97-112,330.41

Finding the Fourth Proportional to 198,373.77, 273,758.97 and 112,330.41

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Solution

The fourth proportional to 198,373.77, 273,758.97 and 112,330.41 is: 155,017.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,373.77 : 273,758.97 = 112,330.41 : x
  2. Step 2: Convert to fraction form
    198,373.77/273,758.97 = 112,330.41/x
  3. Step 3: Cross multiply
    198,373.77x = 273,758.97 × 112,330.41
  4. Step 4: Simplify right side
    198,373.77x = 30,751,457,341.28
  5. Step 5: Solve for x
    x = 30,751,457,341.28/198,373.77
  6. Step 6: Final answer
    x = 155,017.76

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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.