Home / 305,216.91-457,677.63-105,467.22

Finding the Fourth Proportional to 305,216.91, 457,677.63 and 105,467.22

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Solution

The fourth proportional to 305,216.91, 457,677.63 and 105,467.22 is: 158,149.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,216.91 : 457,677.63 = 105,467.22 : x
  2. Step 2: Convert to fraction form
    305,216.91/457,677.63 = 105,467.22/x
  3. Step 3: Cross multiply
    305,216.91x = 457,677.63 × 105,467.22
  4. Step 4: Simplify right side
    305,216.91x = 48,269,987,292.29
  5. Step 5: Solve for x
    x = 48,269,987,292.29/305,216.91
  6. Step 6: Final answer
    x = 158,149.78

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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.