Home / 135,342.30-203,083.44-98,208.51

Finding the Fourth Proportional to 135,342.30, 203,083.44 and 98,208.51

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Solution

The fourth proportional to 135,342.30, 203,083.44 and 98,208.51 is: 147,363.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,342.30 : 203,083.44 = 98,208.51 : x
  2. Step 2: Convert to fraction form
    135,342.30/203,083.44 = 98,208.51/x
  3. Step 3: Cross multiply
    135,342.30x = 203,083.44 × 98,208.51
  4. Step 4: Simplify right side
    135,342.30x = 19,944,522,048.07
  5. Step 5: Solve for x
    x = 19,944,522,048.07/135,342.30
  6. Step 6: Final answer
    x = 147,363.55

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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.