Home / 133,179.12-199,702.62-48,935.88

Finding the Fourth Proportional to 133,179.12, 199,702.62 and 48,935.88

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Solution

The fourth proportional to 133,179.12, 199,702.62 and 48,935.88 is: 73,379.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,179.12 : 199,702.62 = 48,935.88 : x
  2. Step 2: Convert to fraction form
    133,179.12/199,702.62 = 48,935.88/x
  3. Step 3: Cross multiply
    133,179.12x = 199,702.62 × 48,935.88
  4. Step 4: Simplify right side
    133,179.12x = 9,772,623,448.01
  5. Step 5: Solve for x
    x = 9,772,623,448.01/133,179.12
  6. Step 6: Final answer
    x = 73,379.55

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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.