Home / 135,832.07-187,446.61-75,403.19

Finding the Fourth Proportional to 135,832.07, 187,446.61 and 75,403.19

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Solution

The fourth proportional to 135,832.07, 187,446.61 and 75,403.19 is: 104,055.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,832.07 : 187,446.61 = 75,403.19 : x
  2. Step 2: Convert to fraction form
    135,832.07/187,446.61 = 75,403.19/x
  3. Step 3: Cross multiply
    135,832.07x = 187,446.61 × 75,403.19
  4. Step 4: Simplify right side
    135,832.07x = 14,134,072,348.69
  5. Step 5: Solve for x
    x = 14,134,072,348.69/135,832.07
  6. Step 6: Final answer
    x = 104,055.49

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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.