Home / 302,004.12-416,765.96-166,040.40

Finding the Fourth Proportional to 302,004.12, 416,765.96 and 166,040.40

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Solution

The fourth proportional to 302,004.12, 416,765.96 and 166,040.40 is: 229,135.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,004.12 : 416,765.96 = 166,040.40 : x
  2. Step 2: Convert to fraction form
    302,004.12/416,765.96 = 166,040.40/x
  3. Step 3: Cross multiply
    302,004.12x = 416,765.96 × 166,040.40
  4. Step 4: Simplify right side
    302,004.12x = 69,199,986,704.78
  5. Step 5: Solve for x
    x = 69,199,986,704.78/302,004.12
  6. Step 6: Final answer
    x = 229,135.90

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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.