Home / 316,040.88-436,144.31-191,863.36

Finding the Fourth Proportional to 316,040.88, 436,144.31 and 191,863.36

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Solution

The fourth proportional to 316,040.88, 436,144.31 and 191,863.36 is: 264,776.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,040.88 : 436,144.31 = 191,863.36 : x
  2. Step 2: Convert to fraction form
    316,040.88/436,144.31 = 191,863.36/x
  3. Step 3: Cross multiply
    316,040.88x = 436,144.31 × 191,863.36
  4. Step 4: Simplify right side
    316,040.88x = 83,680,112,761.48
  5. Step 5: Solve for x
    x = 83,680,112,761.48/316,040.88
  6. Step 6: Final answer
    x = 264,776.23

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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.