Home / 195,577.80-293,453.10-90,342.60

Finding the Fourth Proportional to 195,577.80, 293,453.10 and 90,342.60

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Solution

The fourth proportional to 195,577.80, 293,453.10 and 90,342.60 is: 135,553.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,577.80 : 293,453.10 = 90,342.60 : x
  2. Step 2: Convert to fraction form
    195,577.80/293,453.10 = 90,342.60/x
  3. Step 3: Cross multiply
    195,577.80x = 293,453.10 × 90,342.60
  4. Step 4: Simplify right side
    195,577.80x = 26,511,316,032.06
  5. Step 5: Solve for x
    x = 26,511,316,032.06/195,577.80
  6. Step 6: Final answer
    x = 135,553.81

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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.