Home / 263,741.76-363,990.24-156,329.28

Finding the Fourth Proportional to 263,741.76, 363,990.24 and 156,329.28

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Solution

The fourth proportional to 263,741.76, 363,990.24 and 156,329.28 is: 215,750.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,741.76 : 363,990.24 = 156,329.28 : x
  2. Step 2: Convert to fraction form
    263,741.76/363,990.24 = 156,329.28/x
  3. Step 3: Cross multiply
    263,741.76x = 363,990.24 × 156,329.28
  4. Step 4: Simplify right side
    263,741.76x = 56,902,332,146.23
  5. Step 5: Solve for x
    x = 56,902,332,146.23/263,741.76
  6. Step 6: Final answer
    x = 215,750.18

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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.