Home / 105,504.64-158,286.08-52,850.56

Finding the Fourth Proportional to 105,504.64, 158,286.08 and 52,850.56

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Solution

The fourth proportional to 105,504.64, 158,286.08 and 52,850.56 is: 79,290.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,504.64 : 158,286.08 = 52,850.56 : x
  2. Step 2: Convert to fraction form
    105,504.64/158,286.08 = 52,850.56/x
  3. Step 3: Cross multiply
    105,504.64x = 158,286.08 × 52,850.56
  4. Step 4: Simplify right side
    105,504.64x = 8,365,507,968.20
  5. Step 5: Solve for x
    x = 8,365,507,968.20/105,504.64
  6. Step 6: Final answer
    x = 79,290.43

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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.