Home / 250,121.08-345,199.94-142,666.44

Finding the Fourth Proportional to 250,121.08, 345,199.94 and 142,666.44

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Solution

The fourth proportional to 250,121.08, 345,199.94 and 142,666.44 is: 196,898.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,121.08 : 345,199.94 = 142,666.44 : x
  2. Step 2: Convert to fraction form
    250,121.08/345,199.94 = 142,666.44/x
  3. Step 3: Cross multiply
    250,121.08x = 345,199.94 × 142,666.44
  4. Step 4: Simplify right side
    250,121.08x = 49,248,446,528.01
  5. Step 5: Solve for x
    x = 49,248,446,528.01/250,121.08
  6. Step 6: Final answer
    x = 196,898.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.