Home / 146,090.40-219,118.64-40,917.84

Finding the Fourth Proportional to 146,090.40, 219,118.64 and 40,917.84

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Solution

The fourth proportional to 146,090.40, 219,118.64 and 40,917.84 is: 61,372.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,090.40 : 219,118.64 = 40,917.84 : x
  2. Step 2: Convert to fraction form
    146,090.40/219,118.64 = 40,917.84/x
  3. Step 3: Cross multiply
    146,090.40x = 219,118.64 × 40,917.84
  4. Step 4: Simplify right side
    146,090.40x = 8,965,861,452.54
  5. Step 5: Solve for x
    x = 8,965,861,452.54/146,090.40
  6. Step 6: Final answer
    x = 61,372.01

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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.