Home / 136,935.41-188,969.58-76,516.47

Finding the Fourth Proportional to 136,935.41, 188,969.58 and 76,516.47

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Solution

The fourth proportional to 136,935.41, 188,969.58 and 76,516.47 is: 105,592.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,935.41 : 188,969.58 = 76,516.47 : x
  2. Step 2: Convert to fraction form
    136,935.41/188,969.58 = 76,516.47/x
  3. Step 3: Cross multiply
    136,935.41x = 188,969.58 × 76,516.47
  4. Step 4: Simplify right side
    136,935.41x = 14,459,285,198.98
  5. Step 5: Solve for x
    x = 14,459,285,198.98/136,935.41
  6. Step 6: Final answer
    x = 105,592.01

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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.