Home / 120,897.16-166,842.28-67,184.44

Finding the Fourth Proportional to 120,897.16, 166,842.28 and 67,184.44

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Solution

The fourth proportional to 120,897.16, 166,842.28 and 67,184.44 is: 92,716.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,897.16 : 166,842.28 = 67,184.44 : x
  2. Step 2: Convert to fraction form
    120,897.16/166,842.28 = 67,184.44/x
  3. Step 3: Cross multiply
    120,897.16x = 166,842.28 × 67,184.44
  4. Step 4: Simplify right side
    120,897.16x = 11,209,204,817.00
  5. Step 5: Solve for x
    x = 11,209,204,817.00/120,897.16
  6. Step 6: Final answer
    x = 92,716.86

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1.5x scale

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.