Home / 220,090.16-330,135.26-114,884.52

Finding the Fourth Proportional to 220,090.16, 330,135.26 and 114,884.52

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Solution

The fourth proportional to 220,090.16, 330,135.26 and 114,884.52 is: 172,326.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,090.16 : 330,135.26 = 114,884.52 : x
  2. Step 2: Convert to fraction form
    220,090.16/330,135.26 = 114,884.52/x
  3. Step 3: Cross multiply
    220,090.16x = 330,135.26 × 114,884.52
  4. Step 4: Simplify right side
    220,090.16x = 37,927,430,305.75
  5. Step 5: Solve for x
    x = 37,927,430,305.75/220,090.16
  6. Step 6: Final answer
    x = 172,326.79

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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.