Home / 101,318.14-151,993.91-31,197.45

Finding the Fourth Proportional to 101,318.14, 151,993.91 and 31,197.45

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Solution

The fourth proportional to 101,318.14, 151,993.91 and 31,197.45 is: 46,801.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,318.14 : 151,993.91 = 31,197.45 : x
  2. Step 2: Convert to fraction form
    101,318.14/151,993.91 = 31,197.45/x
  3. Step 3: Cross multiply
    101,318.14x = 151,993.91 × 31,197.45
  4. Step 4: Simplify right side
    101,318.14x = 4,741,822,407.53
  5. Step 5: Solve for x
    x = 4,741,822,407.53/101,318.14
  6. Step 6: Final answer
    x = 46,801.32

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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.