Home / 125,939.60-188,865.30-37,169.60

Finding the Fourth Proportional to 125,939.60, 188,865.30 and 37,169.60

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Solution

The fourth proportional to 125,939.60, 188,865.30 and 37,169.60 is: 55,741.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,939.60 : 188,865.30 = 37,169.60 : x
  2. Step 2: Convert to fraction form
    125,939.60/188,865.30 = 37,169.60/x
  3. Step 3: Cross multiply
    125,939.60x = 188,865.30 × 37,169.60
  4. Step 4: Simplify right side
    125,939.60x = 7,020,047,654.88
  5. Step 5: Solve for x
    x = 7,020,047,654.88/125,939.60
  6. Step 6: Final answer
    x = 55,741.38

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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.