Home / 457,035.43-685,616.99-190,734.97

Finding the Fourth Proportional to 457,035.43, 685,616.99 and 190,734.97

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Solution

The fourth proportional to 457,035.43, 685,616.99 and 190,734.97 is: 286,129.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,035.43 : 685,616.99 = 190,734.97 : x
  2. Step 2: Convert to fraction form
    457,035.43/685,616.99 = 190,734.97/x
  3. Step 3: Cross multiply
    457,035.43x = 685,616.99 × 190,734.97
  4. Step 4: Simplify right side
    457,035.43x = 130,771,136,019.14
  5. Step 5: Solve for x
    x = 130,771,136,019.14/457,035.43
  6. Step 6: Final answer
    x = 286,129.10

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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.