Home / 438,736.50-658,104.84-158,253.72

Finding the Fourth Proportional to 438,736.50, 658,104.84 and 158,253.72

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Solution

The fourth proportional to 438,736.50, 658,104.84 and 158,253.72 is: 237,380.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,736.50 : 658,104.84 = 158,253.72 : x
  2. Step 2: Convert to fraction form
    438,736.50/658,104.84 = 158,253.72/x
  3. Step 3: Cross multiply
    438,736.50x = 658,104.84 × 158,253.72
  4. Step 4: Simplify right side
    438,736.50x = 104,147,539,080.01
  5. Step 5: Solve for x
    x = 104,147,539,080.01/438,736.50
  6. Step 6: Final answer
    x = 237,380.61

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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.