Home / 167,856.70-231,641.64-92,405.20

Finding the Fourth Proportional to 167,856.70, 231,641.64 and 92,405.20

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Solution

The fourth proportional to 167,856.70, 231,641.64 and 92,405.20 is: 127,518.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,856.70 : 231,641.64 = 92,405.20 : x
  2. Step 2: Convert to fraction form
    167,856.70/231,641.64 = 92,405.20/x
  3. Step 3: Cross multiply
    167,856.70x = 231,641.64 × 92,405.20
  4. Step 4: Simplify right side
    167,856.70x = 21,404,892,072.53
  5. Step 5: Solve for x
    x = 21,404,892,072.53/167,856.70
  6. Step 6: Final answer
    x = 127,518.84

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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.