Home / 116,830.20-175,245.30-112,164.60

Finding the Fourth Proportional to 116,830.20, 175,245.30 and 112,164.60

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Solution

The fourth proportional to 116,830.20, 175,245.30 and 112,164.60 is: 168,246.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,830.20 : 175,245.30 = 112,164.60 : x
  2. Step 2: Convert to fraction form
    116,830.20/175,245.30 = 112,164.60/x
  3. Step 3: Cross multiply
    116,830.20x = 175,245.30 × 112,164.60
  4. Step 4: Simplify right side
    116,830.20x = 19,656,318,976.38
  5. Step 5: Solve for x
    x = 19,656,318,976.38/116,830.20
  6. Step 6: Final answer
    x = 168,246.90

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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.