Home / 168,935.70-253,403.55-166,311.30

Finding the Fourth Proportional to 168,935.70, 253,403.55 and 166,311.30

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Solution

The fourth proportional to 168,935.70, 253,403.55 and 166,311.30 is: 249,466.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,935.70 : 253,403.55 = 166,311.30 : x
  2. Step 2: Convert to fraction form
    168,935.70/253,403.55 = 166,311.30/x
  3. Step 3: Cross multiply
    168,935.70x = 253,403.55 × 166,311.30
  4. Step 4: Simplify right side
    168,935.70x = 42,143,873,825.12
  5. Step 5: Solve for x
    x = 42,143,873,825.12/168,935.70
  6. Step 6: Final answer
    x = 249,466.95

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1.5x scale

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.