Home / 135,744.71-187,330.73-75,313.10

Finding the Fourth Proportional to 135,744.71, 187,330.73 and 75,313.10

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Solution

The fourth proportional to 135,744.71, 187,330.73 and 75,313.10 is: 103,933.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,744.71 : 187,330.73 = 75,313.10 : x
  2. Step 2: Convert to fraction form
    135,744.71/187,330.73 = 75,313.10/x
  3. Step 3: Cross multiply
    135,744.71x = 187,330.73 × 75,313.10
  4. Step 4: Simplify right side
    135,744.71x = 14,108,458,093.32
  5. Step 5: Solve for x
    x = 14,108,458,093.32/135,744.71
  6. Step 6: Final answer
    x = 103,933.76

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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.