Home / 285,116.82-393,559.56-164,306.25

Finding the Fourth Proportional to 285,116.82, 393,559.56 and 164,306.25

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Solution

The fourth proportional to 285,116.82, 393,559.56 and 164,306.25 is: 226,799.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,116.82 : 393,559.56 = 164,306.25 : x
  2. Step 2: Convert to fraction form
    285,116.82/393,559.56 = 164,306.25/x
  3. Step 3: Cross multiply
    285,116.82x = 393,559.56 × 164,306.25
  4. Step 4: Simplify right side
    285,116.82x = 64,664,295,455.25
  5. Step 5: Solve for x
    x = 64,664,295,455.25/285,116.82
  6. Step 6: Final answer
    x = 226,799.30

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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.