Home / 146,637.48-219,912.24-76,478.52

Finding the Fourth Proportional to 146,637.48, 219,912.24 and 76,478.52

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Solution

The fourth proportional to 146,637.48, 219,912.24 and 76,478.52 is: 114,694.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,637.48 : 219,912.24 = 76,478.52 : x
  2. Step 2: Convert to fraction form
    146,637.48/219,912.24 = 76,478.52/x
  3. Step 3: Cross multiply
    146,637.48x = 219,912.24 × 76,478.52
  4. Step 4: Simplify right side
    146,637.48x = 16,818,562,645.08
  5. Step 5: Solve for x
    x = 16,818,562,645.08/146,637.48
  6. Step 6: Final answer
    x = 114,694.84

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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.