Home / 133,045.15-199,622.40-48,845.65

Finding the Fourth Proportional to 133,045.15, 199,622.40 and 48,845.65

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Solution

The fourth proportional to 133,045.15, 199,622.40 and 48,845.65 is: 73,288.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,045.15 : 199,622.40 = 48,845.65 : x
  2. Step 2: Convert to fraction form
    133,045.15/199,622.40 = 48,845.65/x
  3. Step 3: Cross multiply
    133,045.15x = 199,622.40 × 48,845.65
  4. Step 4: Simplify right side
    133,045.15x = 9,750,685,882.56
  5. Step 5: Solve for x
    x = 9,750,685,882.56/133,045.15
  6. Step 6: Final answer
    x = 73,288.55

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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.