Home / 457,230.69-685,735.27-190,846.80

Finding the Fourth Proportional to 457,230.69, 685,735.27 and 190,846.80

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Solution

The fourth proportional to 457,230.69, 685,735.27 and 190,846.80 is: 286,223.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,230.69 : 685,735.27 = 190,846.80 : x
  2. Step 2: Convert to fraction form
    457,230.69/685,735.27 = 190,846.80/x
  3. Step 3: Cross multiply
    457,230.69x = 685,735.27 × 190,846.80
  4. Step 4: Simplify right side
    457,230.69x = 130,870,381,926.64
  5. Step 5: Solve for x
    x = 130,870,381,926.64/457,230.69
  6. Step 6: Final answer
    x = 286,223.97

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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.