Home / 255,787.88-352,987.27-142,610.63

Finding the Fourth Proportional to 255,787.88, 352,987.27 and 142,610.63

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Solution

The fourth proportional to 255,787.88, 352,987.27 and 142,610.63 is: 196,802.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,787.88 : 352,987.27 = 142,610.63 : x
  2. Step 2: Convert to fraction form
    255,787.88/352,987.27 = 142,610.63/x
  3. Step 3: Cross multiply
    255,787.88x = 352,987.27 × 142,610.63
  4. Step 4: Simplify right side
    255,787.88x = 50,339,734,835.22
  5. Step 5: Solve for x
    x = 50,339,734,835.22/255,787.88
  6. Step 6: Final answer
    x = 196,802.66

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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.