Home / 268,949.60-403,424.40-163,973.60

Finding the Fourth Proportional to 268,949.60, 403,424.40 and 163,973.60

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Solution

The fourth proportional to 268,949.60, 403,424.40 and 163,973.60 is: 245,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,949.60 : 403,424.40 = 163,973.60 : x
  2. Step 2: Convert to fraction form
    268,949.60/403,424.40 = 163,973.60/x
  3. Step 3: Cross multiply
    268,949.60x = 403,424.40 × 163,973.60
  4. Step 4: Simplify right side
    268,949.60x = 66,150,951,195.84
  5. Step 5: Solve for x
    x = 66,150,951,195.84/268,949.60
  6. Step 6: Final answer
    x = 245,960.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.