Home / 199,543.55-275,376.54-113,500.31

Finding the Fourth Proportional to 199,543.55, 275,376.54 and 113,500.31

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Solution

The fourth proportional to 199,543.55, 275,376.54 and 113,500.31 is: 156,634.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,543.55 : 275,376.54 = 113,500.31 : x
  2. Step 2: Convert to fraction form
    199,543.55/275,376.54 = 113,500.31/x
  3. Step 3: Cross multiply
    199,543.55x = 275,376.54 × 113,500.31
  4. Step 4: Simplify right side
    199,543.55x = 31,255,322,656.73
  5. Step 5: Solve for x
    x = 31,255,322,656.73/199,543.55
  6. Step 6: Final answer
    x = 156,634.09

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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.