Home / 123,593.09-170,393.49-98,183.79

Finding the Fourth Proportional to 123,593.09, 170,393.49 and 98,183.79

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Solution

The fourth proportional to 123,593.09, 170,393.49 and 98,183.79 is: 135,362.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,593.09 : 170,393.49 = 98,183.79 : x
  2. Step 2: Convert to fraction form
    123,593.09/170,393.49 = 98,183.79/x
  3. Step 3: Cross multiply
    123,593.09x = 170,393.49 × 98,183.79
  4. Step 4: Simplify right side
    123,593.09x = 16,729,878,639.53
  5. Step 5: Solve for x
    x = 16,729,878,639.53/123,593.09
  6. Step 6: Final answer
    x = 135,362.58

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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.