Home / 143,481.18-197,886.10-127,360.26

Finding the Fourth Proportional to 143,481.18, 197,886.10 and 127,360.26

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Solution

The fourth proportional to 143,481.18, 197,886.10 and 127,360.26 is: 175,652.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,481.18 : 197,886.10 = 127,360.26 : x
  2. Step 2: Convert to fraction form
    143,481.18/197,886.10 = 127,360.26/x
  3. Step 3: Cross multiply
    143,481.18x = 197,886.10 × 127,360.26
  4. Step 4: Simplify right side
    143,481.18x = 25,202,825,146.39
  5. Step 5: Solve for x
    x = 25,202,825,146.39/143,481.18
  6. Step 6: Final answer
    x = 175,652.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.