Home / 198,549.36-273,990.60-113,674.32

Finding the Fourth Proportional to 198,549.36, 273,990.60 and 113,674.32

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Solution

The fourth proportional to 198,549.36, 273,990.60 and 113,674.32 is: 156,866.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,549.36 : 273,990.60 = 113,674.32 : x
  2. Step 2: Convert to fraction form
    198,549.36/273,990.60 = 113,674.32/x
  3. Step 3: Cross multiply
    198,549.36x = 273,990.60 × 113,674.32
  4. Step 4: Simplify right side
    198,549.36x = 31,145,695,141.39
  5. Step 5: Solve for x
    x = 31,145,695,141.39/198,549.36
  6. Step 6: Final answer
    x = 156,866.26

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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.