Home / 193,425.12-290,103.48-51,271.92

Finding the Fourth Proportional to 193,425.12, 290,103.48 and 51,271.92

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Solution

The fourth proportional to 193,425.12, 290,103.48 and 51,271.92 is: 76,898.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,425.12 : 290,103.48 = 51,271.92 : x
  2. Step 2: Convert to fraction form
    193,425.12/290,103.48 = 51,271.92/x
  3. Step 3: Cross multiply
    193,425.12x = 290,103.48 × 51,271.92
  4. Step 4: Simplify right side
    193,425.12x = 14,874,162,418.28
  5. Step 5: Solve for x
    x = 14,874,162,418.28/193,425.12
  6. Step 6: Final answer
    x = 76,898.81

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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.