Home / 237,965.34-356,472.12-143,143.20

Finding the Fourth Proportional to 237,965.34, 356,472.12 and 143,143.20

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Solution

The fourth proportional to 237,965.34, 356,472.12 and 143,143.20 is: 214,428.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,965.34 : 356,472.12 = 143,143.20 : x
  2. Step 2: Convert to fraction form
    237,965.34/356,472.12 = 143,143.20/x
  3. Step 3: Cross multiply
    237,965.34x = 356,472.12 × 143,143.20
  4. Step 4: Simplify right side
    237,965.34x = 51,026,559,967.58
  5. Step 5: Solve for x
    x = 51,026,559,967.58/237,965.34
  6. Step 6: Final answer
    x = 214,428.54

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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.