Home / 203,727.89-281,177.78-113,113.19

Finding the Fourth Proportional to 203,727.89, 281,177.78 and 113,113.19

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Solution

The fourth proportional to 203,727.89, 281,177.78 and 113,113.19 is: 156,114.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,727.89 : 281,177.78 = 113,113.19 : x
  2. Step 2: Convert to fraction form
    203,727.89/281,177.78 = 113,113.19/x
  3. Step 3: Cross multiply
    203,727.89x = 281,177.78 × 113,113.19
  4. Step 4: Simplify right side
    203,727.89x = 31,804,913,681.46
  5. Step 5: Solve for x
    x = 31,804,913,681.46/203,727.89
  6. Step 6: Final answer
    x = 156,114.68

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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.