Home / 133,725.12-200,582.81-53,787.84

Finding the Fourth Proportional to 133,725.12, 200,582.81 and 53,787.84

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Solution

The fourth proportional to 133,725.12, 200,582.81 and 53,787.84 is: 80,679.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,725.12 : 200,582.81 = 53,787.84 : x
  2. Step 2: Convert to fraction form
    133,725.12/200,582.81 = 53,787.84/x
  3. Step 3: Cross multiply
    133,725.12x = 200,582.81 × 53,787.84
  4. Step 4: Simplify right side
    133,725.12x = 10,788,916,091.03
  5. Step 5: Solve for x
    x = 10,788,916,091.03/133,725.12
  6. Step 6: Final answer
    x = 80,679.80

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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.