Home / 193,641.22-289,840.23-103,458.58

Finding the Fourth Proportional to 193,641.22, 289,840.23 and 103,458.58

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Solution

The fourth proportional to 193,641.22, 289,840.23 and 103,458.58 is: 154,855.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,641.22 : 289,840.23 = 103,458.58 : x
  2. Step 2: Convert to fraction form
    193,641.22/289,840.23 = 103,458.58/x
  3. Step 3: Cross multiply
    193,641.22x = 289,840.23 × 103,458.58
  4. Step 4: Simplify right side
    193,641.22x = 29,986,458,622.67
  5. Step 5: Solve for x
    x = 29,986,458,622.67/193,641.22
  6. Step 6: Final answer
    x = 154,855.76

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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.