Home / 254,959.24-382,438.68-77,465.56

Finding the Fourth Proportional to 254,959.24, 382,438.68 and 77,465.56

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Solution

The fourth proportional to 254,959.24, 382,438.68 and 77,465.56 is: 116,198.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,959.24 : 382,438.68 = 77,465.56 : x
  2. Step 2: Convert to fraction form
    254,959.24/382,438.68 = 77,465.56/x
  3. Step 3: Cross multiply
    254,959.24x = 382,438.68 × 77,465.56
  4. Step 4: Simplify right side
    254,959.24x = 29,625,826,511.86
  5. Step 5: Solve for x
    x = 29,625,826,511.86/254,959.24
  6. Step 6: Final answer
    x = 116,198.29

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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.