Home / 135,244.80-202,694.40-98,265.60

Finding the Fourth Proportional to 135,244.80, 202,694.40 and 98,265.60

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Solution

The fourth proportional to 135,244.80, 202,694.40 and 98,265.60 is: 147,272.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,244.80 : 202,694.40 = 98,265.60 : x
  2. Step 2: Convert to fraction form
    135,244.80/202,694.40 = 98,265.60/x
  3. Step 3: Cross multiply
    135,244.80x = 202,694.40 × 98,265.60
  4. Step 4: Simplify right side
    135,244.80x = 19,917,886,832.64
  5. Step 5: Solve for x
    x = 19,917,886,832.64/135,244.80
  6. Step 6: Final answer
    x = 147,272.85

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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.