Home / 263,356.51-363,429.37-142,495.10

Finding the Fourth Proportional to 263,356.51, 363,429.37 and 142,495.10

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Solution

The fourth proportional to 263,356.51, 363,429.37 and 142,495.10 is: 196,641.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,356.51 : 363,429.37 = 142,495.10 : x
  2. Step 2: Convert to fraction form
    263,356.51/363,429.37 = 142,495.10/x
  3. Step 3: Cross multiply
    263,356.51x = 363,429.37 × 142,495.10
  4. Step 4: Simplify right side
    263,356.51x = 51,786,901,891.46
  5. Step 5: Solve for x
    x = 51,786,901,891.46/263,356.51
  6. Step 6: Final answer
    x = 196,641.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.