Home / 135,426.50-203,158.64-56,522.66

Finding the Fourth Proportional to 135,426.50, 203,158.64 and 56,522.66

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Solution

The fourth proportional to 135,426.50, 203,158.64 and 56,522.66 is: 84,791.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,426.50 : 203,158.64 = 56,522.66 : x
  2. Step 2: Convert to fraction form
    135,426.50/203,158.64 = 56,522.66/x
  3. Step 3: Cross multiply
    135,426.50x = 203,158.64 × 56,522.66
  4. Step 4: Simplify right side
    135,426.50x = 11,483,065,860.30
  5. Step 5: Solve for x
    x = 11,483,065,860.30/135,426.50
  6. Step 6: Final answer
    x = 84,791.87

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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.