Home / 166,619.81-229,696.16-118,790.12

Finding the Fourth Proportional to 166,619.81, 229,696.16 and 118,790.12

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Solution

The fourth proportional to 166,619.81, 229,696.16 and 118,790.12 is: 163,759.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,619.81 : 229,696.16 = 118,790.12 : x
  2. Step 2: Convert to fraction form
    166,619.81/229,696.16 = 118,790.12/x
  3. Step 3: Cross multiply
    166,619.81x = 229,696.16 × 118,790.12
  4. Step 4: Simplify right side
    166,619.81x = 27,285,632,667.51
  5. Step 5: Solve for x
    x = 27,285,632,667.51/166,619.81
  6. Step 6: Final answer
    x = 163,759.84

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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.