Home / 268,816.52-403,473.96-135,790.22

Finding the Fourth Proportional to 268,816.52, 403,473.96 and 135,790.22

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Solution

The fourth proportional to 268,816.52, 403,473.96 and 135,790.22 is: 203,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,816.52 : 403,473.96 = 135,790.22 : x
  2. Step 2: Convert to fraction form
    268,816.52/403,473.96 = 135,790.22/x
  3. Step 3: Cross multiply
    268,816.52x = 403,473.96 × 135,790.22
  4. Step 4: Simplify right side
    268,816.52x = 54,787,818,801.36
  5. Step 5: Solve for x
    x = 54,787,818,801.36/268,816.52
  6. Step 6: Final answer
    x = 203,811.20

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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.