Home / 120,967.08-166,943.88-67,256.52

Finding the Fourth Proportional to 120,967.08, 166,943.88 and 67,256.52

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Solution

The fourth proportional to 120,967.08, 166,943.88 and 67,256.52 is: 92,819.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,967.08 : 166,943.88 = 67,256.52 : x
  2. Step 2: Convert to fraction form
    120,967.08/166,943.88 = 67,256.52/x
  3. Step 3: Cross multiply
    120,967.08x = 166,943.88 × 67,256.52
  4. Step 4: Simplify right side
    120,967.08x = 11,228,064,404.10
  5. Step 5: Solve for x
    x = 11,228,064,404.10/120,967.08
  6. Step 6: Final answer
    x = 92,819.17

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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.