Home / 170,806.33-235,694.83-99,172.36

Finding the Fourth Proportional to 170,806.33, 235,694.83 and 99,172.36

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Solution

The fourth proportional to 170,806.33, 235,694.83 and 99,172.36 is: 136,847.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,806.33 : 235,694.83 = 99,172.36 : x
  2. Step 2: Convert to fraction form
    170,806.33/235,694.83 = 99,172.36/x
  3. Step 3: Cross multiply
    170,806.33x = 235,694.83 × 99,172.36
  4. Step 4: Simplify right side
    170,806.33x = 23,374,412,530.90
  5. Step 5: Solve for x
    x = 23,374,412,530.90/170,806.33
  6. Step 6: Final answer
    x = 136,847.46

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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.