Home / 231,246.72-346,865.20-106,587.72

Finding the Fourth Proportional to 231,246.72, 346,865.20 and 106,587.72

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Solution

The fourth proportional to 231,246.72, 346,865.20 and 106,587.72 is: 159,879.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,246.72 : 346,865.20 = 106,587.72 : x
  2. Step 2: Convert to fraction form
    231,246.72/346,865.20 = 106,587.72/x
  3. Step 3: Cross multiply
    231,246.72x = 346,865.20 × 106,587.72
  4. Step 4: Simplify right side
    231,246.72x = 36,971,570,815.34
  5. Step 5: Solve for x
    x = 36,971,570,815.34/231,246.72
  6. Step 6: Final answer
    x = 159,879.33

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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.