Home / 122,614.83-183,855.56-38,338.65

Finding the Fourth Proportional to 122,614.83, 183,855.56 and 38,338.65

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Solution

The fourth proportional to 122,614.83, 183,855.56 and 38,338.65 is: 57,487.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,614.83 : 183,855.56 = 38,338.65 : x
  2. Step 2: Convert to fraction form
    122,614.83/183,855.56 = 38,338.65/x
  3. Step 3: Cross multiply
    122,614.83x = 183,855.56 × 38,338.65
  4. Step 4: Simplify right side
    122,614.83x = 7,048,773,773.70
  5. Step 5: Solve for x
    x = 7,048,773,773.70/122,614.83
  6. Step 6: Final answer
    x = 57,487.12

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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.