Home / 316,450.20-436,705.38-173,207.17

Finding the Fourth Proportional to 316,450.20, 436,705.38 and 173,207.17

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Solution

The fourth proportional to 316,450.20, 436,705.38 and 173,207.17 is: 239,028.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,450.20 : 436,705.38 = 173,207.17 : x
  2. Step 2: Convert to fraction form
    316,450.20/436,705.38 = 173,207.17/x
  3. Step 3: Cross multiply
    316,450.20x = 436,705.38 × 173,207.17
  4. Step 4: Simplify right side
    316,450.20x = 75,640,499,944.01
  5. Step 5: Solve for x
    x = 75,640,499,944.01/316,450.20
  6. Step 6: Final answer
    x = 239,028.14

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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.