Home / 237,985.70-356,502.60-143,163.45

Finding the Fourth Proportional to 237,985.70, 356,502.60 and 143,163.45

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Solution

The fourth proportional to 237,985.70, 356,502.60 and 143,163.45 is: 214,458.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,985.70 : 356,502.60 = 143,163.45 : x
  2. Step 2: Convert to fraction form
    237,985.70/356,502.60 = 143,163.45/x
  3. Step 3: Cross multiply
    237,985.70x = 356,502.60 × 143,163.45
  4. Step 4: Simplify right side
    237,985.70x = 51,038,142,149.97
  5. Step 5: Solve for x
    x = 51,038,142,149.97/237,985.70
  6. Step 6: Final answer
    x = 214,458.87

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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.