Home / 267,343.60-401,117.80-263,145.20

Finding the Fourth Proportional to 267,343.60, 401,117.80 and 263,145.20

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Solution

The fourth proportional to 267,343.60, 401,117.80 and 263,145.20 is: 394,818.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,343.60 : 401,117.80 = 263,145.20 : x
  2. Step 2: Convert to fraction form
    267,343.60/401,117.80 = 263,145.20/x
  3. Step 3: Cross multiply
    267,343.60x = 401,117.80 × 263,145.20
  4. Step 4: Simplify right side
    267,343.60x = 105,552,223,704.56
  5. Step 5: Solve for x
    x = 105,552,223,704.56/267,343.60
  6. Step 6: Final answer
    x = 394,818.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.