Home / 151,147.49-226,376.57-72,317.48

Finding the Fourth Proportional to 151,147.49, 226,376.57 and 72,317.48

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Solution

The fourth proportional to 151,147.49, 226,376.57 and 72,317.48 is: 108,311.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,147.49 : 226,376.57 = 72,317.48 : x
  2. Step 2: Convert to fraction form
    151,147.49/226,376.57 = 72,317.48/x
  3. Step 3: Cross multiply
    151,147.49x = 226,376.57 × 72,317.48
  4. Step 4: Simplify right side
    151,147.49x = 16,370,982,122.35
  5. Step 5: Solve for x
    x = 16,370,982,122.35/151,147.49
  6. Step 6: Final answer
    x = 108,311.31

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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.