Home / 170,382.85-235,129.29-98,805.37

Finding the Fourth Proportional to 170,382.85, 235,129.29 and 98,805.37

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Solution

The fourth proportional to 170,382.85, 235,129.29 and 98,805.37 is: 136,351.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,382.85 : 235,129.29 = 98,805.37 : x
  2. Step 2: Convert to fraction form
    170,382.85/235,129.29 = 98,805.37/x
  3. Step 3: Cross multiply
    170,382.85x = 235,129.29 × 98,805.37
  4. Step 4: Simplify right side
    170,382.85x = 23,232,036,496.29
  5. Step 5: Solve for x
    x = 23,232,036,496.29/170,382.85
  6. Step 6: Final answer
    x = 136,351.97

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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.