Home / 156,974.05-235,458.96-38,646.37

Finding the Fourth Proportional to 156,974.05, 235,458.96 and 38,646.37

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Solution

The fourth proportional to 156,974.05, 235,458.96 and 38,646.37 is: 57,969.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,974.05 : 235,458.96 = 38,646.37 : x
  2. Step 2: Convert to fraction form
    156,974.05/235,458.96 = 38,646.37/x
  3. Step 3: Cross multiply
    156,974.05x = 235,458.96 × 38,646.37
  4. Step 4: Simplify right side
    156,974.05x = 9,099,634,087.98
  5. Step 5: Solve for x
    x = 9,099,634,087.98/156,974.05
  6. Step 6: Final answer
    x = 57,969.03

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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.