Home / 185,787.88-256,493.58-122,310.20

Finding the Fourth Proportional to 185,787.88, 256,493.58 and 122,310.20

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Solution

The fourth proportional to 185,787.88, 256,493.58 and 122,310.20 is: 168,858.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,787.88 : 256,493.58 = 122,310.20 : x
  2. Step 2: Convert to fraction form
    185,787.88/256,493.58 = 122,310.20/x
  3. Step 3: Cross multiply
    185,787.88x = 256,493.58 × 122,310.20
  4. Step 4: Simplify right side
    185,787.88x = 31,371,781,068.52
  5. Step 5: Solve for x
    x = 31,371,781,068.52/185,787.88
  6. Step 6: Final answer
    x = 168,858.06

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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.