Home / 135,699.76-203,550.18-56,758.62

Finding the Fourth Proportional to 135,699.76, 203,550.18 and 56,758.62

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Solution

The fourth proportional to 135,699.76, 203,550.18 and 56,758.62 is: 85,138.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,699.76 : 203,550.18 = 56,758.62 : x
  2. Step 2: Convert to fraction form
    135,699.76/203,550.18 = 56,758.62/x
  3. Step 3: Cross multiply
    135,699.76x = 203,550.18 × 56,758.62
  4. Step 4: Simplify right side
    135,699.76x = 11,553,227,317.55
  5. Step 5: Solve for x
    x = 11,553,227,317.55/135,699.76
  6. Step 6: Final answer
    x = 85,138.16

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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.