Home / 237,537.12-356,297.04-71,320.80

Finding the Fourth Proportional to 237,537.12, 356,297.04 and 71,320.80

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Solution

The fourth proportional to 237,537.12, 356,297.04 and 71,320.80 is: 106,978.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,537.12 : 356,297.04 = 71,320.80 : x
  2. Step 2: Convert to fraction form
    237,537.12/356,297.04 = 71,320.80/x
  3. Step 3: Cross multiply
    237,537.12x = 356,297.04 × 71,320.80
  4. Step 4: Simplify right side
    237,537.12x = 25,411,389,930.43
  5. Step 5: Solve for x
    x = 25,411,389,930.43/237,537.12
  6. Step 6: Final answer
    x = 106,978.61

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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.