Home / 251,003.55-346,286.34-143,515.92

Finding the Fourth Proportional to 251,003.55, 346,286.34 and 143,515.92

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Solution

The fourth proportional to 251,003.55, 346,286.34 and 143,515.92 is: 197,995.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,003.55 : 346,286.34 = 143,515.92 : x
  2. Step 2: Convert to fraction form
    251,003.55/346,286.34 = 143,515.92/x
  3. Step 3: Cross multiply
    251,003.55x = 346,286.34 × 143,515.92
  4. Step 4: Simplify right side
    251,003.55x = 49,697,602,668.53
  5. Step 5: Solve for x
    x = 49,697,602,668.53/251,003.55
  6. Step 6: Final answer
    x = 197,995.62

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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.