Home / 356,301.57-491,696.28-195,159.31

Finding the Fourth Proportional to 356,301.57, 491,696.28 and 195,159.31

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Solution

The fourth proportional to 356,301.57, 491,696.28 and 195,159.31 is: 269,319.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,301.57 : 491,696.28 = 195,159.31 : x
  2. Step 2: Convert to fraction form
    356,301.57/491,696.28 = 195,159.31/x
  3. Step 3: Cross multiply
    356,301.57x = 491,696.28 × 195,159.31
  4. Step 4: Simplify right side
    356,301.57x = 95,959,106,734.37
  5. Step 5: Solve for x
    x = 95,959,106,734.37/356,301.57
  6. Step 6: Final answer
    x = 269,319.91

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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.