Home / 179,716.80-269,445.60-117,422.40

Finding the Fourth Proportional to 179,716.80, 269,445.60 and 117,422.40

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Solution

The fourth proportional to 179,716.80, 269,445.60 and 117,422.40 is: 176,048.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,716.80 : 269,445.60 = 117,422.40 : x
  2. Step 2: Convert to fraction form
    179,716.80/269,445.60 = 117,422.40/x
  3. Step 3: Cross multiply
    179,716.80x = 269,445.60 × 117,422.40
  4. Step 4: Simplify right side
    179,716.80x = 31,638,949,021.44
  5. Step 5: Solve for x
    x = 31,638,949,021.44/179,716.80
  6. Step 6: Final answer
    x = 176,048.92

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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.