Home / 251,040.10-376,441.35-145,891.30

Finding the Fourth Proportional to 251,040.10, 376,441.35 and 145,891.30

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Solution

The fourth proportional to 251,040.10, 376,441.35 and 145,891.30 is: 218,767.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,040.10 : 376,441.35 = 145,891.30 : x
  2. Step 2: Convert to fraction form
    251,040.10/376,441.35 = 145,891.30/x
  3. Step 3: Cross multiply
    251,040.10x = 376,441.35 × 145,891.30
  4. Step 4: Simplify right side
    251,040.10x = 54,919,517,925.26
  5. Step 5: Solve for x
    x = 54,919,517,925.26/251,040.10
  6. Step 6: Final answer
    x = 218,767.91

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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.