Home / 168,929.70-253,394.55-166,305.30

Finding the Fourth Proportional to 168,929.70, 253,394.55 and 166,305.30

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Solution

The fourth proportional to 168,929.70, 253,394.55 and 166,305.30 is: 249,457.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,929.70 : 253,394.55 = 166,305.30 : x
  2. Step 2: Convert to fraction form
    168,929.70/253,394.55 = 166,305.30/x
  3. Step 3: Cross multiply
    168,929.70x = 253,394.55 × 166,305.30
  4. Step 4: Simplify right side
    168,929.70x = 42,140,856,656.12
  5. Step 5: Solve for x
    x = 42,140,856,656.12/168,929.70
  6. Step 6: Final answer
    x = 249,457.95

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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.