Home / 436,829.59-655,243.66-137,336.32

Finding the Fourth Proportional to 436,829.59, 655,243.66 and 137,336.32

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Solution

The fourth proportional to 436,829.59, 655,243.66 and 137,336.32 is: 206,004.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,829.59 : 655,243.66 = 137,336.32 : x
  2. Step 2: Convert to fraction form
    436,829.59/655,243.66 = 137,336.32/x
  3. Step 3: Cross multiply
    436,829.59x = 655,243.66 × 137,336.32
  4. Step 4: Simplify right side
    436,829.59x = 89,988,752,967.73
  5. Step 5: Solve for x
    x = 89,988,752,967.73/436,829.59
  6. Step 6: Final answer
    x = 206,004.25

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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.