Home / 168,924.20-253,386.30-166,299.80

Finding the Fourth Proportional to 168,924.20, 253,386.30 and 166,299.80

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Solution

The fourth proportional to 168,924.20, 253,386.30 and 166,299.80 is: 249,449.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,924.20 : 253,386.30 = 166,299.80 : x
  2. Step 2: Convert to fraction form
    168,924.20/253,386.30 = 166,299.80/x
  3. Step 3: Cross multiply
    168,924.20x = 253,386.30 × 166,299.80
  4. Step 4: Simplify right side
    168,924.20x = 42,138,091,012.74
  5. Step 5: Solve for x
    x = 42,138,091,012.74/168,924.20
  6. Step 6: Final answer
    x = 249,449.70

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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.