Home / 143,115.36-214,225.92-98,481.12

Finding the Fourth Proportional to 143,115.36, 214,225.92 and 98,481.12

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Solution

The fourth proportional to 143,115.36, 214,225.92 and 98,481.12 is: 147,414.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,115.36 : 214,225.92 = 98,481.12 : x
  2. Step 2: Convert to fraction form
    143,115.36/214,225.92 = 98,481.12/x
  3. Step 3: Cross multiply
    143,115.36x = 214,225.92 × 98,481.12
  4. Step 4: Simplify right side
    143,115.36x = 21,097,208,534.63
  5. Step 5: Solve for x
    x = 21,097,208,534.63/143,115.36
  6. Step 6: Final answer
    x = 147,414.01

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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.