Home / 209,258.73-288,876.24-133,850.97

Finding the Fourth Proportional to 209,258.73, 288,876.24 and 133,850.97

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Solution

The fourth proportional to 209,258.73, 288,876.24 and 133,850.97 is: 184,777.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,258.73 : 288,876.24 = 133,850.97 : x
  2. Step 2: Convert to fraction form
    209,258.73/288,876.24 = 133,850.97/x
  3. Step 3: Cross multiply
    209,258.73x = 288,876.24 × 133,850.97
  4. Step 4: Simplify right side
    209,258.73x = 38,666,364,933.95
  5. Step 5: Solve for x
    x = 38,666,364,933.95/209,258.73
  6. Step 6: Final answer
    x = 184,777.79

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1.5x scale

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.