Home / 170,629.92-235,429.20-103,548.96

Finding the Fourth Proportional to 170,629.92, 235,429.20 and 103,548.96

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Solution

The fourth proportional to 170,629.92, 235,429.20 and 103,548.96 is: 142,873.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,629.92 : 235,429.20 = 103,548.96 : x
  2. Step 2: Convert to fraction form
    170,629.92/235,429.20 = 103,548.96/x
  3. Step 3: Cross multiply
    170,629.92x = 235,429.20 × 103,548.96
  4. Step 4: Simplify right side
    170,629.92x = 24,378,448,813.63
  5. Step 5: Solve for x
    x = 24,378,448,813.63/170,629.92
  6. Step 6: Final answer
    x = 142,873.24

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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.