Home / 556,913.26-835,362.60-136,192.78

Finding the Fourth Proportional to 556,913.26, 835,362.60 and 136,192.78

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Solution

The fourth proportional to 556,913.26, 835,362.60 and 136,192.78 is: 204,287.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,913.26 : 835,362.60 = 136,192.78 : x
  2. Step 2: Convert to fraction form
    556,913.26/835,362.60 = 136,192.78/x
  3. Step 3: Cross multiply
    556,913.26x = 835,362.60 × 136,192.78
  4. Step 4: Simplify right side
    556,913.26x = 113,770,354,802.03
  5. Step 5: Solve for x
    x = 113,770,354,802.03/556,913.26
  6. Step 6: Final answer
    x = 204,287.39

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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.