Home / 223,021.25-307,773.90-126,225.11

Finding the Fourth Proportional to 223,021.25, 307,773.90 and 126,225.11

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Solution

The fourth proportional to 223,021.25, 307,773.90 and 126,225.11 is: 174,193.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,021.25 : 307,773.90 = 126,225.11 : x
  2. Step 2: Convert to fraction form
    223,021.25/307,773.90 = 126,225.11/x
  3. Step 3: Cross multiply
    223,021.25x = 307,773.90 × 126,225.11
  4. Step 4: Simplify right side
    223,021.25x = 38,848,792,843.76
  5. Step 5: Solve for x
    x = 38,848,792,843.76/223,021.25
  6. Step 6: Final answer
    x = 174,193.24

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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.