Home / 130,939.44-196,488.12-46,693.20

Finding the Fourth Proportional to 130,939.44, 196,488.12 and 46,693.20

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Solution

The fourth proportional to 130,939.44, 196,488.12 and 46,693.20 is: 70,067.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,939.44 : 196,488.12 = 46,693.20 : x
  2. Step 2: Convert to fraction form
    130,939.44/196,488.12 = 46,693.20/x
  3. Step 3: Cross multiply
    130,939.44x = 196,488.12 × 46,693.20
  4. Step 4: Simplify right side
    130,939.44x = 9,174,659,084.78
  5. Step 5: Solve for x
    x = 9,174,659,084.78/130,939.44
  6. Step 6: Final answer
    x = 70,067.96

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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.