Home / 235,028.15-324,017.51-161,438.33

Finding the Fourth Proportional to 235,028.15, 324,017.51 and 161,438.33

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Solution

The fourth proportional to 235,028.15, 324,017.51 and 161,438.33 is: 222,564.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,028.15 : 324,017.51 = 161,438.33 : x
  2. Step 2: Convert to fraction form
    235,028.15/324,017.51 = 161,438.33/x
  3. Step 3: Cross multiply
    235,028.15x = 324,017.51 × 161,438.33
  4. Step 4: Simplify right side
    235,028.15x = 52,308,845,708.01
  5. Step 5: Solve for x
    x = 52,308,845,708.01/235,028.15
  6. Step 6: Final answer
    x = 222,564.17

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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.