Home / 135,100.82-186,342.43-94,823.57

Finding the Fourth Proportional to 135,100.82, 186,342.43 and 94,823.57

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Solution

The fourth proportional to 135,100.82, 186,342.43 and 94,823.57 is: 130,788.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,100.82 : 186,342.43 = 94,823.57 : x
  2. Step 2: Convert to fraction form
    135,100.82/186,342.43 = 94,823.57/x
  3. Step 3: Cross multiply
    135,100.82x = 186,342.43 × 94,823.57
  4. Step 4: Simplify right side
    135,100.82x = 17,669,654,455.08
  5. Step 5: Solve for x
    x = 17,669,654,455.08/135,100.82
  6. Step 6: Final answer
    x = 130,788.65

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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.