Home / 251,160.05-376,710.24-82,638.59

Finding the Fourth Proportional to 251,160.05, 376,710.24 and 82,638.59

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Solution

The fourth proportional to 251,160.05, 376,710.24 and 82,638.59 is: 123,948.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,160.05 : 376,710.24 = 82,638.59 : x
  2. Step 2: Convert to fraction form
    251,160.05/376,710.24 = 82,638.59/x
  3. Step 3: Cross multiply
    251,160.05x = 376,710.24 × 82,638.59
  4. Step 4: Simplify right side
    251,160.05x = 31,130,803,072.16
  5. Step 5: Solve for x
    x = 31,130,803,072.16/251,160.05
  6. Step 6: Final answer
    x = 123,948.07

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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.