Home / 199,367.90-275,134.59-113,330.48

Finding the Fourth Proportional to 199,367.90, 275,134.59 and 113,330.48

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Solution

The fourth proportional to 199,367.90, 275,134.59 and 113,330.48 is: 156,399.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,367.90 : 275,134.59 = 113,330.48 : x
  2. Step 2: Convert to fraction form
    199,367.90/275,134.59 = 113,330.48/x
  3. Step 3: Cross multiply
    199,367.90x = 275,134.59 × 113,330.48
  4. Step 4: Simplify right side
    199,367.90x = 31,181,133,773.63
  5. Step 5: Solve for x
    x = 31,181,133,773.63/199,367.90
  6. Step 6: Final answer
    x = 156,399.97

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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.