Home / 166,634.32-229,716.12-118,804.60

Finding the Fourth Proportional to 166,634.32, 229,716.12 and 118,804.60

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Solution

The fourth proportional to 166,634.32, 229,716.12 and 118,804.60 is: 163,779.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,634.32 : 229,716.12 = 118,804.60 : x
  2. Step 2: Convert to fraction form
    166,634.32/229,716.12 = 118,804.60/x
  3. Step 3: Cross multiply
    166,634.32x = 229,716.12 × 118,804.60
  4. Step 4: Simplify right side
    166,634.32x = 27,291,331,750.15
  5. Step 5: Solve for x
    x = 27,291,331,750.15/166,634.32
  6. Step 6: Final answer
    x = 163,779.78

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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.