Home / 135,584.15-203,386.62-45,627.31

Finding the Fourth Proportional to 135,584.15, 203,386.62 and 45,627.31

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Solution

The fourth proportional to 135,584.15, 203,386.62 and 45,627.31 is: 68,444.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,584.15 : 203,386.62 = 45,627.31 : x
  2. Step 2: Convert to fraction form
    135,584.15/203,386.62 = 45,627.31/x
  3. Step 3: Cross multiply
    135,584.15x = 203,386.62 × 45,627.31
  4. Step 4: Simplify right side
    135,584.15x = 9,279,983,343.66
  5. Step 5: Solve for x
    x = 9,279,983,343.66/135,584.15
  6. Step 6: Final answer
    x = 68,444.46

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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.