Home / 170,405.91-235,161.09-98,828.37

Finding the Fourth Proportional to 170,405.91, 235,161.09 and 98,828.37

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Solution

The fourth proportional to 170,405.91, 235,161.09 and 98,828.37 is: 136,383.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,405.91 : 235,161.09 = 98,828.37 : x
  2. Step 2: Convert to fraction form
    170,405.91/235,161.09 = 98,828.37/x
  3. Step 3: Cross multiply
    170,405.91x = 235,161.09 × 98,828.37
  4. Step 4: Simplify right side
    170,405.91x = 23,240,587,212.12
  5. Step 5: Solve for x
    x = 23,240,587,212.12/170,405.91
  6. Step 6: Final answer
    x = 136,383.69

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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.