Home / 135,786.65-203,631.37-47,016.32

Finding the Fourth Proportional to 135,786.65, 203,631.37 and 47,016.32

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Solution

The fourth proportional to 135,786.65, 203,631.37 and 47,016.32 is: 70,507.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,786.65 : 203,631.37 = 47,016.32 : x
  2. Step 2: Convert to fraction form
    135,786.65/203,631.37 = 47,016.32/x
  3. Step 3: Cross multiply
    135,786.65x = 203,631.37 × 47,016.32
  4. Step 4: Simplify right side
    135,786.65x = 9,573,996,518.26
  5. Step 5: Solve for x
    x = 9,573,996,518.26/135,786.65
  6. Step 6: Final answer
    x = 70,507.64

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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.