Home / 255,861.96-353,089.85-141,138.02

Finding the Fourth Proportional to 255,861.96, 353,089.85 and 141,138.02

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Solution

The fourth proportional to 255,861.96, 353,089.85 and 141,138.02 is: 194,770.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,861.96 : 353,089.85 = 141,138.02 : x
  2. Step 2: Convert to fraction form
    255,861.96/353,089.85 = 141,138.02/x
  3. Step 3: Cross multiply
    255,861.96x = 353,089.85 × 141,138.02
  4. Step 4: Simplify right side
    255,861.96x = 49,834,399,839.96
  5. Step 5: Solve for x
    x = 49,834,399,839.96/255,861.96
  6. Step 6: Final answer
    x = 194,770.65

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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.