Home / 135,943.12-203,951.31-57,036.16

Finding the Fourth Proportional to 135,943.12, 203,951.31 and 57,036.16

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Solution

The fourth proportional to 135,943.12, 203,951.31 and 57,036.16 is: 85,569.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,943.12 : 203,951.31 = 57,036.16 : x
  2. Step 2: Convert to fraction form
    135,943.12/203,951.31 = 57,036.16/x
  3. Step 3: Cross multiply
    135,943.12x = 203,951.31 × 57,036.16
  4. Step 4: Simplify right side
    135,943.12x = 11,632,599,549.37
  5. Step 5: Solve for x
    x = 11,632,599,549.37/135,943.12
  6. Step 6: Final answer
    x = 85,569.61

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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.