Home / 223,269.60-308,110.82-121,294.25

Finding the Fourth Proportional to 223,269.60, 308,110.82 and 121,294.25

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Solution

The fourth proportional to 223,269.60, 308,110.82 and 121,294.25 is: 167,385.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,269.60 : 308,110.82 = 121,294.25 : x
  2. Step 2: Convert to fraction form
    223,269.60/308,110.82 = 121,294.25/x
  3. Step 3: Cross multiply
    223,269.60x = 308,110.82 × 121,294.25
  4. Step 4: Simplify right side
    223,269.60x = 37,372,069,591.47
  5. Step 5: Solve for x
    x = 37,372,069,591.47/223,269.60
  6. Step 6: Final answer
    x = 167,385.39

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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.