Home / 133,020.63-183,568.04-72,591.27

Finding the Fourth Proportional to 133,020.63, 183,568.04 and 72,591.27

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Solution

The fourth proportional to 133,020.63, 183,568.04 and 72,591.27 is: 100,175.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,020.63 : 183,568.04 = 72,591.27 : x
  2. Step 2: Convert to fraction form
    133,020.63/183,568.04 = 72,591.27/x
  3. Step 3: Cross multiply
    133,020.63x = 183,568.04 × 72,591.27
  4. Step 4: Simplify right side
    133,020.63x = 13,325,436,792.05
  5. Step 5: Solve for x
    x = 13,325,436,792.05/133,020.63
  6. Step 6: Final answer
    x = 100,175.72

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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.