Home / 147,141.57-203,041.32-82,596.03

Finding the Fourth Proportional to 147,141.57, 203,041.32 and 82,596.03

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Solution

The fourth proportional to 147,141.57, 203,041.32 and 82,596.03 is: 113,974.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,141.57 : 203,041.32 = 82,596.03 : x
  2. Step 2: Convert to fraction form
    147,141.57/203,041.32 = 82,596.03/x
  3. Step 3: Cross multiply
    147,141.57x = 203,041.32 × 82,596.03
  4. Step 4: Simplify right side
    147,141.57x = 16,770,406,957.96
  5. Step 5: Solve for x
    x = 16,770,406,957.96/147,141.57
  6. Step 6: Final answer
    x = 113,974.64

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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.