Home / 251,849.88-377,684.07-83,339.10

Finding the Fourth Proportional to 251,849.88, 377,684.07 and 83,339.10

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Solution

The fourth proportional to 251,849.88, 377,684.07 and 83,339.10 is: 124,978.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,849.88 : 377,684.07 = 83,339.10 : x
  2. Step 2: Convert to fraction form
    251,849.88/377,684.07 = 83,339.10/x
  3. Step 3: Cross multiply
    251,849.88x = 377,684.07 × 83,339.10
  4. Step 4: Simplify right side
    251,849.88x = 31,475,850,478.14
  5. Step 5: Solve for x
    x = 31,475,850,478.14/251,849.88
  6. Step 6: Final answer
    x = 124,978.62

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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.