Home / 168,562.40-253,135.20-163,313.60

Finding the Fourth Proportional to 168,562.40, 253,135.20 and 163,313.60

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Solution

The fourth proportional to 168,562.40, 253,135.20 and 163,313.60 is: 245,252.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,562.40 : 253,135.20 = 163,313.60 : x
  2. Step 2: Convert to fraction form
    168,562.40/253,135.20 = 163,313.60/x
  3. Step 3: Cross multiply
    168,562.40x = 253,135.20 × 163,313.60
  4. Step 4: Simplify right side
    168,562.40x = 41,340,420,798.72
  5. Step 5: Solve for x
    x = 41,340,420,798.72/168,562.40
  6. Step 6: Final answer
    x = 245,252.92

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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.