Home / 336,418.38-504,541.53-99,705.60

Finding the Fourth Proportional to 336,418.38, 504,541.53 and 99,705.60

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Solution

The fourth proportional to 336,418.38, 504,541.53 and 99,705.60 is: 149,532.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,418.38 : 504,541.53 = 99,705.60 : x
  2. Step 2: Convert to fraction form
    336,418.38/504,541.53 = 99,705.60/x
  3. Step 3: Cross multiply
    336,418.38x = 504,541.53 × 99,705.60
  4. Step 4: Simplify right side
    336,418.38x = 50,305,615,973.57
  5. Step 5: Solve for x
    x = 50,305,615,973.57/336,418.38
  6. Step 6: Final answer
    x = 149,532.90

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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.