Home / 198,471.24-297,597.30-103,464.36

Finding the Fourth Proportional to 198,471.24, 297,597.30 and 103,464.36

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Solution

The fourth proportional to 198,471.24, 297,597.30 and 103,464.36 is: 155,139.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,471.24 : 297,597.30 = 103,464.36 : x
  2. Step 2: Convert to fraction form
    198,471.24/297,597.30 = 103,464.36/x
  3. Step 3: Cross multiply
    198,471.24x = 297,597.30 × 103,464.36
  4. Step 4: Simplify right side
    198,471.24x = 30,790,714,182.23
  5. Step 5: Solve for x
    x = 30,790,714,182.23/198,471.24
  6. Step 6: Final answer
    x = 155,139.43

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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.