Home / 123,556.83-170,506.94-66,967.53

Finding the Fourth Proportional to 123,556.83, 170,506.94 and 66,967.53

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Solution

The fourth proportional to 123,556.83, 170,506.94 and 66,967.53 is: 92,414.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,556.83 : 170,506.94 = 66,967.53 : x
  2. Step 2: Convert to fraction form
    123,556.83/170,506.94 = 66,967.53/x
  3. Step 3: Cross multiply
    123,556.83x = 170,506.94 × 66,967.53
  4. Step 4: Simplify right side
    123,556.83x = 11,418,428,284.82
  5. Step 5: Solve for x
    x = 11,418,428,284.82/123,556.83
  6. Step 6: Final answer
    x = 92,414.38

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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.