Home / 373,212.34-515,033.04-203,446.60

Finding the Fourth Proportional to 373,212.34, 515,033.04 and 203,446.60

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Solution

The fourth proportional to 373,212.34, 515,033.04 and 203,446.60 is: 280,756.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,212.34 : 515,033.04 = 203,446.60 : x
  2. Step 2: Convert to fraction form
    373,212.34/515,033.04 = 203,446.60/x
  3. Step 3: Cross multiply
    373,212.34x = 515,033.04 × 203,446.60
  4. Step 4: Simplify right side
    373,212.34x = 104,781,720,875.66
  5. Step 5: Solve for x
    x = 104,781,720,875.66/373,212.34
  6. Step 6: Final answer
    x = 280,756.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.