Home / 135,233.40-202,850.10-103,740.60

Finding the Fourth Proportional to 135,233.40, 202,850.10 and 103,740.60

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Solution

The fourth proportional to 135,233.40, 202,850.10 and 103,740.60 is: 155,610.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,233.40 : 202,850.10 = 103,740.60 : x
  2. Step 2: Convert to fraction form
    135,233.40/202,850.10 = 103,740.60/x
  3. Step 3: Cross multiply
    135,233.40x = 202,850.10 × 103,740.60
  4. Step 4: Simplify right side
    135,233.40x = 21,043,791,084.06
  5. Step 5: Solve for x
    x = 21,043,791,084.06/135,233.40
  6. Step 6: Final answer
    x = 155,610.90

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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.