Home / 156,314.43-234,471.04-37,986.12

Finding the Fourth Proportional to 156,314.43, 234,471.04 and 37,986.12

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Solution

The fourth proportional to 156,314.43, 234,471.04 and 37,986.12 is: 56,979.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,314.43 : 234,471.04 = 37,986.12 : x
  2. Step 2: Convert to fraction form
    156,314.43/234,471.04 = 37,986.12/x
  3. Step 3: Cross multiply
    156,314.43x = 234,471.04 × 37,986.12
  4. Step 4: Simplify right side
    156,314.43x = 8,906,644,967.00
  5. Step 5: Solve for x
    x = 8,906,644,967.00/156,314.43
  6. Step 6: Final answer
    x = 56,979.03

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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.