Home / 136,003.96-187,681.72-75,573.04

Finding the Fourth Proportional to 136,003.96, 187,681.72 and 75,573.04

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Solution

The fourth proportional to 136,003.96, 187,681.72 and 75,573.04 is: 104,288.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,003.96 : 187,681.72 = 75,573.04 : x
  2. Step 2: Convert to fraction form
    136,003.96/187,681.72 = 75,573.04/x
  3. Step 3: Cross multiply
    136,003.96x = 187,681.72 × 75,573.04
  4. Step 4: Simplify right side
    136,003.96x = 14,183,678,132.83
  5. Step 5: Solve for x
    x = 14,183,678,132.83/136,003.96
  6. Step 6: Final answer
    x = 104,288.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.