Home / 195,029.60-292,544.40-161,787.20

Finding the Fourth Proportional to 195,029.60, 292,544.40 and 161,787.20

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Solution

The fourth proportional to 195,029.60, 292,544.40 and 161,787.20 is: 242,680.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,029.60 : 292,544.40 = 161,787.20 : x
  2. Step 2: Convert to fraction form
    195,029.60/292,544.40 = 161,787.20/x
  3. Step 3: Cross multiply
    195,029.60x = 292,544.40 × 161,787.20
  4. Step 4: Simplify right side
    195,029.60x = 47,329,939,351.68
  5. Step 5: Solve for x
    x = 47,329,939,351.68/195,029.60
  6. Step 6: Final answer
    x = 242,680.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.