Home / 146,998.26-220,476.65-47,145.51

Finding the Fourth Proportional to 146,998.26, 220,476.65 and 47,145.51

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Solution

The fourth proportional to 146,998.26, 220,476.65 and 47,145.51 is: 70,711.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,998.26 : 220,476.65 = 47,145.51 : x
  2. Step 2: Convert to fraction form
    146,998.26/220,476.65 = 47,145.51/x
  3. Step 3: Cross multiply
    146,998.26x = 220,476.65 × 47,145.51
  4. Step 4: Simplify right side
    146,998.26x = 10,394,483,871.61
  5. Step 5: Solve for x
    x = 10,394,483,871.61/146,998.26
  6. Step 6: Final answer
    x = 70,711.61

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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.