Home / 135,900.30-187,636.25-84,935.94

Finding the Fourth Proportional to 135,900.30, 187,636.25 and 84,935.94

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Solution

The fourth proportional to 135,900.30, 187,636.25 and 84,935.94 is: 117,270.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,900.30 : 187,636.25 = 84,935.94 : x
  2. Step 2: Convert to fraction form
    135,900.30/187,636.25 = 84,935.94/x
  3. Step 3: Cross multiply
    135,900.30x = 187,636.25 × 84,935.94
  4. Step 4: Simplify right side
    135,900.30x = 15,937,061,358.22
  5. Step 5: Solve for x
    x = 15,937,061,358.22/135,900.30
  6. Step 6: Final answer
    x = 117,270.24

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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.