Home / 338,815-508,233.04-125,635.96

Finding the Fourth Proportional to 338,815, 508,233.04 and 125,635.96

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Solution

The fourth proportional to 338,815, 508,233.04 and 125,635.96 is: 188,457.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,815 : 508,233.04 = 125,635.96 : x
  2. Step 2: Convert to fraction form
    338,815/508,233.04 = 125,635.96/x
  3. Step 3: Cross multiply
    338,815x = 508,233.04 × 125,635.96
  4. Step 4: Simplify right side
    338,815x = 63,852,345,884.12
  5. Step 5: Solve for x
    x = 63,852,345,884.12/338,815
  6. Step 6: Final answer
    x = 188,457.85

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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.