Home / 252,409.24-378,057.59-208,635.14

Finding the Fourth Proportional to 252,409.24, 378,057.59 and 208,635.14

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Solution

The fourth proportional to 252,409.24, 378,057.59 and 208,635.14 is: 312,492.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,409.24 : 378,057.59 = 208,635.14 : x
  2. Step 2: Convert to fraction form
    252,409.24/378,057.59 = 208,635.14/x
  3. Step 3: Cross multiply
    252,409.24x = 378,057.59 × 208,635.14
  4. Step 4: Simplify right side
    252,409.24x = 78,876,098,217.71
  5. Step 5: Solve for x
    x = 78,876,098,217.71/252,409.24
  6. Step 6: Final answer
    x = 312,492.92

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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.