Home / 203,194.48-280,545.37-126,829.88

Finding the Fourth Proportional to 203,194.48, 280,545.37 and 126,829.88

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Solution

The fourth proportional to 203,194.48, 280,545.37 and 126,829.88 is: 175,110.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,194.48 : 280,545.37 = 126,829.88 : x
  2. Step 2: Convert to fraction form
    203,194.48/280,545.37 = 126,829.88/x
  3. Step 3: Cross multiply
    203,194.48x = 280,545.37 × 126,829.88
  4. Step 4: Simplify right side
    203,194.48x = 35,581,534,977.51
  5. Step 5: Solve for x
    x = 35,581,534,977.51/203,194.48
  6. Step 6: Final answer
    x = 175,110.74

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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.