Home / 251,034.60-376,433.10-145,885.80

Finding the Fourth Proportional to 251,034.60, 376,433.10 and 145,885.80

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Solution

The fourth proportional to 251,034.60, 376,433.10 and 145,885.80 is: 218,759.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,034.60 : 376,433.10 = 145,885.80 : x
  2. Step 2: Convert to fraction form
    251,034.60/376,433.10 = 145,885.80/x
  3. Step 3: Cross multiply
    251,034.60x = 376,433.10 × 145,885.80
  4. Step 4: Simplify right side
    251,034.60x = 54,916,243,939.98
  5. Step 5: Solve for x
    x = 54,916,243,939.98/251,034.60
  6. Step 6: Final answer
    x = 218,759.66

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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.