Home / 117,844.40-176,766.60-80,519.60

Finding the Fourth Proportional to 117,844.40, 176,766.60 and 80,519.60

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Solution

The fourth proportional to 117,844.40, 176,766.60 and 80,519.60 is: 120,779.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,844.40 : 176,766.60 = 80,519.60 : x
  2. Step 2: Convert to fraction form
    117,844.40/176,766.60 = 80,519.60/x
  3. Step 3: Cross multiply
    117,844.40x = 176,766.60 × 80,519.60
  4. Step 4: Simplify right side
    117,844.40x = 14,233,175,925.36
  5. Step 5: Solve for x
    x = 14,233,175,925.36/117,844.40
  6. Step 6: Final answer
    x = 120,779.40

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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.