Home / 168,942.60-253,498.14-75,423.24

Finding the Fourth Proportional to 168,942.60, 253,498.14 and 75,423.24

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Solution

The fourth proportional to 168,942.60, 253,498.14 and 75,423.24 is: 113,172.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,942.60 : 253,498.14 = 75,423.24 : x
  2. Step 2: Convert to fraction form
    168,942.60/253,498.14 = 75,423.24/x
  3. Step 3: Cross multiply
    168,942.60x = 253,498.14 × 75,423.24
  4. Step 4: Simplify right side
    168,942.60x = 19,119,651,052.77
  5. Step 5: Solve for x
    x = 19,119,651,052.77/168,942.60
  6. Step 6: Final answer
    x = 113,172.47

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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.