Home / 170,941.32-235,921.05-102,993.66

Finding the Fourth Proportional to 170,941.32, 235,921.05 and 102,993.66

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Solution

The fourth proportional to 170,941.32, 235,921.05 and 102,993.66 is: 142,144.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,941.32 : 235,921.05 = 102,993.66 : x
  2. Step 2: Convert to fraction form
    170,941.32/235,921.05 = 102,993.66/x
  3. Step 3: Cross multiply
    170,941.32x = 235,921.05 × 102,993.66
  4. Step 4: Simplify right side
    170,941.32x = 24,298,372,410.54
  5. Step 5: Solve for x
    x = 24,298,372,410.54/170,941.32
  6. Step 6: Final answer
    x = 142,144.52

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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.