Home / 264,635.86-365,195.52-143,778.14

Finding the Fourth Proportional to 264,635.86, 365,195.52 and 143,778.14

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Solution

The fourth proportional to 264,635.86, 365,195.52 and 143,778.14 is: 198,412.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,635.86 : 365,195.52 = 143,778.14 : x
  2. Step 2: Convert to fraction form
    264,635.86/365,195.52 = 143,778.14/x
  3. Step 3: Cross multiply
    264,635.86x = 365,195.52 × 143,778.14
  4. Step 4: Simplify right side
    264,635.86x = 52,507,132,601.93
  5. Step 5: Solve for x
    x = 52,507,132,601.93/264,635.86
  6. Step 6: Final answer
    x = 198,412.76

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1.5x scale

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.