Home / 170,466.06-255,815.73-87,418.38

Finding the Fourth Proportional to 170,466.06, 255,815.73 and 87,418.38

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Solution

The fourth proportional to 170,466.06, 255,815.73 and 87,418.38 is: 131,187.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,466.06 : 255,815.73 = 87,418.38 : x
  2. Step 2: Convert to fraction form
    170,466.06/255,815.73 = 87,418.38/x
  3. Step 3: Cross multiply
    170,466.06x = 255,815.73 × 87,418.38
  4. Step 4: Simplify right side
    170,466.06x = 22,362,996,695.12
  5. Step 5: Solve for x
    x = 22,362,996,695.12/170,466.06
  6. Step 6: Final answer
    x = 131,187.39

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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.