Home / 123,556.43-170,506.01-69,839.56

Finding the Fourth Proportional to 123,556.43, 170,506.01 and 69,839.56

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Solution

The fourth proportional to 123,556.43, 170,506.01 and 69,839.56 is: 96,377.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,556.43 : 170,506.01 = 69,839.56 : x
  2. Step 2: Convert to fraction form
    123,556.43/170,506.01 = 69,839.56/x
  3. Step 3: Cross multiply
    123,556.43x = 170,506.01 × 69,839.56
  4. Step 4: Simplify right side
    123,556.43x = 11,908,063,863.23
  5. Step 5: Solve for x
    x = 11,908,063,863.23/123,556.43
  6. Step 6: Final answer
    x = 96,377.54

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1.5x scale

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.