Home / 135,948.96-203,923.44-42,462.72

Finding the Fourth Proportional to 135,948.96, 203,923.44 and 42,462.72

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Solution

The fourth proportional to 135,948.96, 203,923.44 and 42,462.72 is: 63,694.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,948.96 : 203,923.44 = 42,462.72 : x
  2. Step 2: Convert to fraction form
    135,948.96/203,923.44 = 42,462.72/x
  3. Step 3: Cross multiply
    135,948.96x = 203,923.44 × 42,462.72
  4. Step 4: Simplify right side
    135,948.96x = 8,659,143,934.16
  5. Step 5: Solve for x
    x = 8,659,143,934.16/135,948.96
  6. Step 6: Final answer
    x = 63,694.08

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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.