Home / 393,111.39-589,569.69-168,446.35

Finding the Fourth Proportional to 393,111.39, 589,569.69 and 168,446.35

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Solution

The fourth proportional to 393,111.39, 589,569.69 and 168,446.35 is: 252,627.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,111.39 : 589,569.69 = 168,446.35 : x
  2. Step 2: Convert to fraction form
    393,111.39/589,569.69 = 168,446.35/x
  3. Step 3: Cross multiply
    393,111.39x = 589,569.69 × 168,446.35
  4. Step 4: Simplify right side
    393,111.39x = 99,310,861,350.96
  5. Step 5: Solve for x
    x = 99,310,861,350.96/393,111.39
  6. Step 6: Final answer
    x = 252,627.79

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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.