Home / 133,621.46-183,977.97-113,436.50

Finding the Fourth Proportional to 133,621.46, 183,977.97 and 113,436.50

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Solution

The fourth proportional to 133,621.46, 183,977.97 and 113,436.50 is: 156,186.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,621.46 : 183,977.97 = 113,436.50 : x
  2. Step 2: Convert to fraction form
    133,621.46/183,977.97 = 113,436.50/x
  3. Step 3: Cross multiply
    133,621.46x = 183,977.97 × 113,436.50
  4. Step 4: Simplify right side
    133,621.46x = 20,869,816,993.91
  5. Step 5: Solve for x
    x = 20,869,816,993.91/133,621.46
  6. Step 6: Final answer
    x = 156,186.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.