Home / 302,922.80-418,016.40-166,956.34

Finding the Fourth Proportional to 302,922.80, 418,016.40 and 166,956.34

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Solution

The fourth proportional to 302,922.80, 418,016.40 and 166,956.34 is: 230,390.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,922.80 : 418,016.40 = 166,956.34 : x
  2. Step 2: Convert to fraction form
    302,922.80/418,016.40 = 166,956.34/x
  3. Step 3: Cross multiply
    302,922.80x = 418,016.40 × 166,956.34
  4. Step 4: Simplify right side
    302,922.80x = 69,790,488,203.98
  5. Step 5: Solve for x
    x = 69,790,488,203.98/302,922.80
  6. Step 6: Final answer
    x = 230,390.34

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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.