Home / 199,329.60-275,090.40-114,475.20

Finding the Fourth Proportional to 199,329.60, 275,090.40 and 114,475.20

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Solution

The fourth proportional to 199,329.60, 275,090.40 and 114,475.20 is: 157,984.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,329.60 : 275,090.40 = 114,475.20 : x
  2. Step 2: Convert to fraction form
    199,329.60/275,090.40 = 114,475.20/x
  3. Step 3: Cross multiply
    199,329.60x = 275,090.40 × 114,475.20
  4. Step 4: Simplify right side
    199,329.60x = 31,491,028,558.08
  5. Step 5: Solve for x
    x = 31,491,028,558.08/199,329.60
  6. Step 6: Final answer
    x = 157,984.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.