Home / 135,862.38-203,728.01-56,955.42

Finding the Fourth Proportional to 135,862.38, 203,728.01 and 56,955.42

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Solution

The fourth proportional to 135,862.38, 203,728.01 and 56,955.42 is: 85,405.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,862.38 : 203,728.01 = 56,955.42 : x
  2. Step 2: Convert to fraction form
    135,862.38/203,728.01 = 56,955.42/x
  3. Step 3: Cross multiply
    135,862.38x = 203,728.01 × 56,955.42
  4. Step 4: Simplify right side
    135,862.38x = 11,603,414,090.54
  5. Step 5: Solve for x
    x = 11,603,414,090.54/135,862.38
  6. Step 6: Final answer
    x = 85,405.64

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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.