Home / 117,092.96-175,455.45-90,504.03

Finding the Fourth Proportional to 117,092.96, 175,455.45 and 90,504.03

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Solution

The fourth proportional to 117,092.96, 175,455.45 and 90,504.03 is: 135,613.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,092.96 : 175,455.45 = 90,504.03 : x
  2. Step 2: Convert to fraction form
    117,092.96/175,455.45 = 90,504.03/x
  3. Step 3: Cross multiply
    117,092.96x = 175,455.45 × 90,504.03
  4. Step 4: Simplify right side
    117,092.96x = 15,879,425,968.42
  5. Step 5: Solve for x
    x = 15,879,425,968.42/117,092.96
  6. Step 6: Final answer
    x = 135,613.84

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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.