Home / 120,897.34-166,833.28-67,181.88

Finding the Fourth Proportional to 120,897.34, 166,833.28 and 67,181.88

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Solution

The fourth proportional to 120,897.34, 166,833.28 and 67,181.88 is: 92,708.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,897.34 : 166,833.28 = 67,181.88 : x
  2. Step 2: Convert to fraction form
    120,897.34/166,833.28 = 67,181.88/x
  3. Step 3: Cross multiply
    120,897.34x = 166,833.28 × 67,181.88
  4. Step 4: Simplify right side
    120,897.34x = 11,208,172,394.85
  5. Step 5: Solve for x
    x = 11,208,172,394.85/120,897.34
  6. Step 6: Final answer
    x = 92,708.18

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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.