Home / 145,816.24-218,788.44-51,114.64

Finding the Fourth Proportional to 145,816.24, 218,788.44 and 51,114.64

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Solution

The fourth proportional to 145,816.24, 218,788.44 and 51,114.64 is: 76,694.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,816.24 : 218,788.44 = 51,114.64 : x
  2. Step 2: Convert to fraction form
    145,816.24/218,788.44 = 51,114.64/x
  3. Step 3: Cross multiply
    145,816.24x = 218,788.44 × 51,114.64
  4. Step 4: Simplify right side
    145,816.24x = 11,183,292,346.76
  5. Step 5: Solve for x
    x = 11,183,292,346.76/145,816.24
  6. Step 6: Final answer
    x = 76,694.42

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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.