Home / 193,835.91-290,564.04-108,488.45

Finding the Fourth Proportional to 193,835.91, 290,564.04 and 108,488.45

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Solution

The fourth proportional to 193,835.91, 290,564.04 and 108,488.45 is: 162,626.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,835.91 : 290,564.04 = 108,488.45 : x
  2. Step 2: Convert to fraction form
    193,835.91/290,564.04 = 108,488.45/x
  3. Step 3: Cross multiply
    193,835.91x = 290,564.04 × 108,488.45
  4. Step 4: Simplify right side
    193,835.91x = 31,522,842,325.34
  5. Step 5: Solve for x
    x = 31,522,842,325.34/193,835.91
  6. Step 6: Final answer
    x = 162,626.43

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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.