Home / 251,336.34-376,886.08-91,299.48

Finding the Fourth Proportional to 251,336.34, 376,886.08 and 91,299.48

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Solution

The fourth proportional to 251,336.34, 376,886.08 and 91,299.48 is: 136,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,336.34 : 376,886.08 = 91,299.48 : x
  2. Step 2: Convert to fraction form
    251,336.34/376,886.08 = 91,299.48/x
  3. Step 3: Cross multiply
    251,336.34x = 376,886.08 × 91,299.48
  4. Step 4: Simplify right side
    251,336.34x = 34,409,503,123.24
  5. Step 5: Solve for x
    x = 34,409,503,123.24/251,336.34
  6. Step 6: Final answer
    x = 136,906.20

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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.