Home / 240,696.18-332,206.65-138,789.54

Finding the Fourth Proportional to 240,696.18, 332,206.65 and 138,789.54

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Solution

The fourth proportional to 240,696.18, 332,206.65 and 138,789.54 is: 191,556.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,696.18 : 332,206.65 = 138,789.54 : x
  2. Step 2: Convert to fraction form
    240,696.18/332,206.65 = 138,789.54/x
  3. Step 3: Cross multiply
    240,696.18x = 332,206.65 × 138,789.54
  4. Step 4: Simplify right side
    240,696.18x = 46,106,808,138.44
  5. Step 5: Solve for x
    x = 46,106,808,138.44/240,696.18
  6. Step 6: Final answer
    x = 191,556.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.