Home / 170,399.77-235,148.54-92,876.09

Finding the Fourth Proportional to 170,399.77, 235,148.54 and 92,876.09

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Solution

The fourth proportional to 170,399.77, 235,148.54 and 92,876.09 is: 128,167.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,399.77 : 235,148.54 = 92,876.09 : x
  2. Step 2: Convert to fraction form
    170,399.77/235,148.54 = 92,876.09/x
  3. Step 3: Cross multiply
    170,399.77x = 235,148.54 × 92,876.09
  4. Step 4: Simplify right side
    170,399.77x = 21,839,675,324.29
  5. Step 5: Solve for x
    x = 21,839,675,324.29/170,399.77
  6. Step 6: Final answer
    x = 128,167.28

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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.