Home / 193,845.93-291,101.04-105,272.43

Finding the Fourth Proportional to 193,845.93, 291,101.04 and 105,272.43

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Solution

The fourth proportional to 193,845.93, 291,101.04 and 105,272.43 is: 158,089.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,845.93 : 291,101.04 = 105,272.43 : x
  2. Step 2: Convert to fraction form
    193,845.93/291,101.04 = 105,272.43/x
  3. Step 3: Cross multiply
    193,845.93x = 291,101.04 × 105,272.43
  4. Step 4: Simplify right side
    193,845.93x = 30,644,913,856.33
  5. Step 5: Solve for x
    x = 30,644,913,856.33/193,845.93
  6. Step 6: Final answer
    x = 158,089.02

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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.