Home / 146,013.10-219,021.40-57,308.38

Finding the Fourth Proportional to 146,013.10, 219,021.40 and 57,308.38

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Solution

The fourth proportional to 146,013.10, 219,021.40 and 57,308.38 is: 85,963.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,013.10 : 219,021.40 = 57,308.38 : x
  2. Step 2: Convert to fraction form
    146,013.10/219,021.40 = 57,308.38/x
  3. Step 3: Cross multiply
    146,013.10x = 219,021.40 × 57,308.38
  4. Step 4: Simplify right side
    146,013.10x = 12,551,761,619.33
  5. Step 5: Solve for x
    x = 12,551,761,619.33/146,013.10
  6. Step 6: Final answer
    x = 85,963.26

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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.