Home / 335,120.32-503,038.56-135,571.15

Finding the Fourth Proportional to 335,120.32, 503,038.56 and 135,571.15

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Solution

The fourth proportional to 335,120.32, 503,038.56 and 135,571.15 is: 203,501.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,120.32 : 503,038.56 = 135,571.15 : x
  2. Step 2: Convert to fraction form
    335,120.32/503,038.56 = 135,571.15/x
  3. Step 3: Cross multiply
    335,120.32x = 503,038.56 × 135,571.15
  4. Step 4: Simplify right side
    335,120.32x = 68,197,513,558.35
  5. Step 5: Solve for x
    x = 68,197,513,558.35/335,120.32
  6. Step 6: Final answer
    x = 203,501.58

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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.