Home / 133,729.41-200,459.16-83,844.57

Finding the Fourth Proportional to 133,729.41, 200,459.16 and 83,844.57

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Solution

The fourth proportional to 133,729.41, 200,459.16 and 83,844.57 is: 125,682.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,729.41 : 200,459.16 = 83,844.57 : x
  2. Step 2: Convert to fraction form
    133,729.41/200,459.16 = 83,844.57/x
  3. Step 3: Cross multiply
    133,729.41x = 200,459.16 × 83,844.57
  4. Step 4: Simplify right side
    133,729.41x = 16,807,412,072.76
  5. Step 5: Solve for x
    x = 16,807,412,072.76/133,729.41
  6. Step 6: Final answer
    x = 125,682.24

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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.