Home / 344,660.22-516,990.51-157,540.50

Finding the Fourth Proportional to 344,660.22, 516,990.51 and 157,540.50

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Solution

The fourth proportional to 344,660.22, 516,990.51 and 157,540.50 is: 236,310.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,660.22 : 516,990.51 = 157,540.50 : x
  2. Step 2: Convert to fraction form
    344,660.22/516,990.51 = 157,540.50/x
  3. Step 3: Cross multiply
    344,660.22x = 516,990.51 × 157,540.50
  4. Step 4: Simplify right side
    344,660.22x = 81,446,943,440.66
  5. Step 5: Solve for x
    x = 81,446,943,440.66/344,660.22
  6. Step 6: Final answer
    x = 236,310.83

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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.