Home / 130,749.66-195,939.08-54,766.38

Finding the Fourth Proportional to 130,749.66, 195,939.08 and 54,766.38

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Solution

The fourth proportional to 130,749.66, 195,939.08 and 54,766.38 is: 82,071.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,749.66 : 195,939.08 = 54,766.38 : x
  2. Step 2: Convert to fraction form
    130,749.66/195,939.08 = 54,766.38/x
  3. Step 3: Cross multiply
    130,749.66x = 195,939.08 × 54,766.38
  4. Step 4: Simplify right side
    130,749.66x = 10,730,874,112.13
  5. Step 5: Solve for x
    x = 10,730,874,112.13/130,749.66
  6. Step 6: Final answer
    x = 82,071.91

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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.