Home / 235,209.81-353,514.57-110,638.29

Finding the Fourth Proportional to 235,209.81, 353,514.57 and 110,638.29

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Solution

The fourth proportional to 235,209.81, 353,514.57 and 110,638.29 is: 166,286.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,209.81 : 353,514.57 = 110,638.29 : x
  2. Step 2: Convert to fraction form
    235,209.81/353,514.57 = 110,638.29/x
  3. Step 3: Cross multiply
    235,209.81x = 353,514.57 × 110,638.29
  4. Step 4: Simplify right side
    235,209.81x = 39,112,247,514.89
  5. Step 5: Solve for x
    x = 39,112,247,514.89/235,209.81
  6. Step 6: Final answer
    x = 166,286.63

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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.