Home / 123,297.58-170,150.79-66,708.82

Finding the Fourth Proportional to 123,297.58, 170,150.79 and 66,708.82

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Solution

The fourth proportional to 123,297.58, 170,150.79 and 66,708.82 is: 92,058.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,297.58 : 170,150.79 = 66,708.82 : x
  2. Step 2: Convert to fraction form
    123,297.58/170,150.79 = 66,708.82/x
  3. Step 3: Cross multiply
    123,297.58x = 170,150.79 × 66,708.82
  4. Step 4: Simplify right side
    123,297.58x = 11,350,558,422.97
  5. Step 5: Solve for x
    x = 11,350,558,422.97/123,297.58
  6. Step 6: Final answer
    x = 92,058.24

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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.