Home / 171,583.60-257,090.80-121,414.96

Finding the Fourth Proportional to 171,583.60, 257,090.80 and 121,414.96

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Solution

The fourth proportional to 171,583.60, 257,090.80 and 121,414.96 is: 181,921.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,583.60 : 257,090.80 = 121,414.96 : x
  2. Step 2: Convert to fraction form
    171,583.60/257,090.80 = 121,414.96/x
  3. Step 3: Cross multiply
    171,583.60x = 257,090.80 × 121,414.96
  4. Step 4: Simplify right side
    171,583.60x = 31,214,669,198.37
  5. Step 5: Solve for x
    x = 31,214,669,198.37/171,583.60
  6. Step 6: Final answer
    x = 181,921.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.