Home / 263,561.18-363,707.73-147,275.64

Finding the Fourth Proportional to 263,561.18, 363,707.73 and 147,275.64

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Solution

The fourth proportional to 263,561.18, 363,707.73 and 147,275.64 is: 203,236.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,561.18 : 363,707.73 = 147,275.64 : x
  2. Step 2: Convert to fraction form
    263,561.18/363,707.73 = 147,275.64/x
  3. Step 3: Cross multiply
    263,561.18x = 363,707.73 × 147,275.64
  4. Step 4: Simplify right side
    263,561.18x = 53,565,288,708.70
  5. Step 5: Solve for x
    x = 53,565,288,708.70/263,561.18
  6. Step 6: Final answer
    x = 203,236.64

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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.