Home / 135,733.94-187,313.98-75,308.56

Finding the Fourth Proportional to 135,733.94, 187,313.98 and 75,308.56

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Solution

The fourth proportional to 135,733.94, 187,313.98 and 75,308.56 is: 103,926.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,733.94 : 187,313.98 = 75,308.56 : x
  2. Step 2: Convert to fraction form
    135,733.94/187,313.98 = 75,308.56/x
  3. Step 3: Cross multiply
    135,733.94x = 187,313.98 × 75,308.56
  4. Step 4: Simplify right side
    135,733.94x = 14,106,346,101.67
  5. Step 5: Solve for x
    x = 14,106,346,101.67/135,733.94
  6. Step 6: Final answer
    x = 103,926.45

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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.