Home / 145,286.41-200,414.30-135,011.43

Finding the Fourth Proportional to 145,286.41, 200,414.30 and 135,011.43

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Solution

The fourth proportional to 145,286.41, 200,414.30 and 135,011.43 is: 186,240.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,286.41 : 200,414.30 = 135,011.43 : x
  2. Step 2: Convert to fraction form
    145,286.41/200,414.30 = 135,011.43/x
  3. Step 3: Cross multiply
    145,286.41x = 200,414.30 × 135,011.43
  4. Step 4: Simplify right side
    145,286.41x = 27,058,219,558.32
  5. Step 5: Solve for x
    x = 27,058,219,558.32/145,286.41
  6. Step 6: Final answer
    x = 186,240.54

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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.