Home / 166,640.16-229,968-95,031.84

Finding the Fourth Proportional to 166,640.16, 229,968 and 95,031.84

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Solution

The fourth proportional to 166,640.16, 229,968 and 95,031.84 is: 131,146.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,640.16 : 229,968 = 95,031.84 : x
  2. Step 2: Convert to fraction form
    166,640.16/229,968 = 95,031.84/x
  3. Step 3: Cross multiply
    166,640.16x = 229,968 × 95,031.84
  4. Step 4: Simplify right side
    166,640.16x = 21,854,282,181.12
  5. Step 5: Solve for x
    x = 21,854,282,181.12/166,640.16
  6. Step 6: Final answer
    x = 131,146.55

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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.