Home / 119,157.76-178,704-34,936.64

Finding the Fourth Proportional to 119,157.76, 178,704 and 34,936.64

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Solution

The fourth proportional to 119,157.76, 178,704 and 34,936.64 is: 52,395.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,157.76 : 178,704 = 34,936.64 : x
  2. Step 2: Convert to fraction form
    119,157.76/178,704 = 34,936.64/x
  3. Step 3: Cross multiply
    119,157.76x = 178,704 × 34,936.64
  4. Step 4: Simplify right side
    119,157.76x = 6,243,317,314.56
  5. Step 5: Solve for x
    x = 6,243,317,314.56/119,157.76
  6. Step 6: Final answer
    x = 52,395.39

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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.