Home / 135,606.96-203,429.88-51,397.92

Finding the Fourth Proportional to 135,606.96, 203,429.88 and 51,397.92

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Solution

The fourth proportional to 135,606.96, 203,429.88 and 51,397.92 is: 77,104.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,606.96 : 203,429.88 = 51,397.92 : x
  2. Step 2: Convert to fraction form
    135,606.96/203,429.88 = 51,397.92/x
  3. Step 3: Cross multiply
    135,606.96x = 203,429.88 × 51,397.92
  4. Step 4: Simplify right side
    135,606.96x = 10,455,872,697.85
  5. Step 5: Solve for x
    x = 10,455,872,697.85/135,606.96
  6. Step 6: Final answer
    x = 77,104.25

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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.