Home / 101,267.46-151,903.61-31,147.38

Finding the Fourth Proportional to 101,267.46, 151,903.61 and 31,147.38

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Solution

The fourth proportional to 101,267.46, 151,903.61 and 31,147.38 is: 46,721.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,267.46 : 151,903.61 = 31,147.38 : x
  2. Step 2: Convert to fraction form
    101,267.46/151,903.61 = 31,147.38/x
  3. Step 3: Cross multiply
    101,267.46x = 151,903.61 × 31,147.38
  4. Step 4: Simplify right side
    101,267.46x = 4,731,399,464.04
  5. Step 5: Solve for x
    x = 4,731,399,464.04/101,267.46
  6. Step 6: Final answer
    x = 46,721.81

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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.