Home / 133,212.12-199,813.59-33,373.20

Finding the Fourth Proportional to 133,212.12, 199,813.59 and 33,373.20

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Solution

The fourth proportional to 133,212.12, 199,813.59 and 33,373.20 is: 50,058.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,212.12 : 199,813.59 = 33,373.20 : x
  2. Step 2: Convert to fraction form
    133,212.12/199,813.59 = 33,373.20/x
  3. Step 3: Cross multiply
    133,212.12x = 199,813.59 × 33,373.20
  4. Step 4: Simplify right side
    133,212.12x = 6,668,418,901.79
  5. Step 5: Solve for x
    x = 6,668,418,901.79/133,212.12
  6. Step 6: Final answer
    x = 50,058.65

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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.