Home / 223,280.73-308,126.07-121,305.33

Finding the Fourth Proportional to 223,280.73, 308,126.07 and 121,305.33

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Solution

The fourth proportional to 223,280.73, 308,126.07 and 121,305.33 is: 167,400.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,280.73 : 308,126.07 = 121,305.33 : x
  2. Step 2: Convert to fraction form
    223,280.73/308,126.07 = 121,305.33/x
  3. Step 3: Cross multiply
    223,280.73x = 308,126.07 × 121,305.33
  4. Step 4: Simplify right side
    223,280.73x = 37,377,334,602.95
  5. Step 5: Solve for x
    x = 37,377,334,602.95/223,280.73
  6. Step 6: Final answer
    x = 167,400.63

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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.