Home / 460,169.80-689,844.30-179,621.80

Finding the Fourth Proportional to 460,169.80, 689,844.30 and 179,621.80

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Solution

The fourth proportional to 460,169.80, 689,844.30 and 179,621.80 is: 269,272.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,169.80 : 689,844.30 = 179,621.80 : x
  2. Step 2: Convert to fraction form
    460,169.80/689,844.30 = 179,621.80/x
  3. Step 3: Cross multiply
    460,169.80x = 689,844.30 × 179,621.80
  4. Step 4: Simplify right side
    460,169.80x = 123,911,074,885.74
  5. Step 5: Solve for x
    x = 123,911,074,885.74/460,169.80
  6. Step 6: Final answer
    x = 269,272.51

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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.