Home / 198,235.37-273,440.39-117,605.81

Finding the Fourth Proportional to 198,235.37, 273,440.39 and 117,605.81

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Solution

The fourth proportional to 198,235.37, 273,440.39 and 117,605.81 is: 162,222.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,235.37 : 273,440.39 = 117,605.81 : x
  2. Step 2: Convert to fraction form
    198,235.37/273,440.39 = 117,605.81/x
  3. Step 3: Cross multiply
    198,235.37x = 273,440.39 × 117,605.81
  4. Step 4: Simplify right side
    198,235.37x = 32,158,178,648.24
  5. Step 5: Solve for x
    x = 32,158,178,648.24/198,235.37
  6. Step 6: Final answer
    x = 162,222.20

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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.