Home / 203,670.27-305,465.85-102,441.33

Finding the Fourth Proportional to 203,670.27, 305,465.85 and 102,441.33

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Solution

The fourth proportional to 203,670.27, 305,465.85 and 102,441.33 is: 153,642.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,670.27 : 305,465.85 = 102,441.33 : x
  2. Step 2: Convert to fraction form
    203,670.27/305,465.85 = 102,441.33/x
  3. Step 3: Cross multiply
    203,670.27x = 305,465.85 × 102,441.33
  4. Step 4: Simplify right side
    203,670.27x = 31,292,327,943.58
  5. Step 5: Solve for x
    x = 31,292,327,943.58/203,670.27
  6. Step 6: Final answer
    x = 153,642.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.