Home / 135,327.14-202,586.27-81,857.30

Finding the Fourth Proportional to 135,327.14, 202,586.27 and 81,857.30

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Solution

The fourth proportional to 135,327.14, 202,586.27 and 81,857.30 is: 122,541.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,327.14 : 202,586.27 = 81,857.30 : x
  2. Step 2: Convert to fraction form
    135,327.14/202,586.27 = 81,857.30/x
  3. Step 3: Cross multiply
    135,327.14x = 202,586.27 × 81,857.30
  4. Step 4: Simplify right side
    135,327.14x = 16,583,164,917.50
  5. Step 5: Solve for x
    x = 16,583,164,917.50/135,327.14
  6. Step 6: Final answer
    x = 122,541.31

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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.