Home / 263,781.49-364,017.96-142,926.05

Finding the Fourth Proportional to 263,781.49, 364,017.96 and 142,926.05

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Solution

The fourth proportional to 263,781.49, 364,017.96 and 142,926.05 is: 197,237.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,781.49 : 364,017.96 = 142,926.05 : x
  2. Step 2: Convert to fraction form
    263,781.49/364,017.96 = 142,926.05/x
  3. Step 3: Cross multiply
    263,781.49x = 364,017.96 × 142,926.05
  4. Step 4: Simplify right side
    263,781.49x = 52,027,647,612.32
  5. Step 5: Solve for x
    x = 52,027,647,612.32/263,781.49
  6. Step 6: Final answer
    x = 197,237.67

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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.