Home / 133,310.07-199,965.31-53,384.03

Finding the Fourth Proportional to 133,310.07, 199,965.31 and 53,384.03

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Solution

The fourth proportional to 133,310.07, 199,965.31 and 53,384.03 is: 80,076.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,310.07 : 199,965.31 = 53,384.03 : x
  2. Step 2: Convert to fraction form
    133,310.07/199,965.31 = 53,384.03/x
  3. Step 3: Cross multiply
    133,310.07x = 199,965.31 × 53,384.03
  4. Step 4: Simplify right side
    133,310.07x = 10,674,953,724.58
  5. Step 5: Solve for x
    x = 10,674,953,724.58/133,310.07
  6. Step 6: Final answer
    x = 80,076.12

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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.