Home / 237,142.08-355,311.36-143,451

Finding the Fourth Proportional to 237,142.08, 355,311.36 and 143,451

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Solution

The fourth proportional to 237,142.08, 355,311.36 and 143,451 is: 214,933.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,142.08 : 355,311.36 = 143,451 : x
  2. Step 2: Convert to fraction form
    237,142.08/355,311.36 = 143,451/x
  3. Step 3: Cross multiply
    237,142.08x = 355,311.36 × 143,451
  4. Step 4: Simplify right side
    237,142.08x = 50,969,769,903.36
  5. Step 5: Solve for x
    x = 50,969,769,903.36/237,142.08
  6. Step 6: Final answer
    x = 214,933.47

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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.