Home / 311,966.56-430,513.92-176,029.34

Finding the Fourth Proportional to 311,966.56, 430,513.92 and 176,029.34

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Solution

The fourth proportional to 311,966.56, 430,513.92 and 176,029.34 is: 242,920.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,966.56 : 430,513.92 = 176,029.34 : x
  2. Step 2: Convert to fraction form
    311,966.56/430,513.92 = 176,029.34/x
  3. Step 3: Cross multiply
    311,966.56x = 430,513.92 × 176,029.34
  4. Step 4: Simplify right side
    311,966.56x = 75,783,081,198.41
  5. Step 5: Solve for x
    x = 75,783,081,198.41/311,966.56
  6. Step 6: Final answer
    x = 242,920.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.