Home / 106,677.46-147,104.64-91,619.98

Finding the Fourth Proportional to 106,677.46, 147,104.64 and 91,619.98

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Solution

The fourth proportional to 106,677.46, 147,104.64 and 91,619.98 is: 126,340.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,677.46 : 147,104.64 = 91,619.98 : x
  2. Step 2: Convert to fraction form
    106,677.46/147,104.64 = 91,619.98/x
  3. Step 3: Cross multiply
    106,677.46x = 147,104.64 × 91,619.98
  4. Step 4: Simplify right side
    106,677.46x = 13,477,724,174.71
  5. Step 5: Solve for x
    x = 13,477,724,174.71/106,677.46
  6. Step 6: Final answer
    x = 126,340.88

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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.