Home / 144,245.48-216,346.32-50,729.36

Finding the Fourth Proportional to 144,245.48, 216,346.32 and 50,729.36

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Solution

The fourth proportional to 144,245.48, 216,346.32 and 50,729.36 is: 76,086.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,245.48 : 216,346.32 = 50,729.36 : x
  2. Step 2: Convert to fraction form
    144,245.48/216,346.32 = 50,729.36/x
  3. Step 3: Cross multiply
    144,245.48x = 216,346.32 × 50,729.36
  4. Step 4: Simplify right side
    144,245.48x = 10,975,109,270.22
  5. Step 5: Solve for x
    x = 10,975,109,270.22/144,245.48
  6. Step 6: Final answer
    x = 76,086.33

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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.