Home / 120,460.77-166,237.11-66,746.43

Finding the Fourth Proportional to 120,460.77, 166,237.11 and 66,746.43

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Solution

The fourth proportional to 120,460.77, 166,237.11 and 66,746.43 is: 92,110.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,460.77 : 166,237.11 = 66,746.43 : x
  2. Step 2: Convert to fraction form
    120,460.77/166,237.11 = 66,746.43/x
  3. Step 3: Cross multiply
    120,460.77x = 166,237.11 × 66,746.43
  4. Step 4: Simplify right side
    120,460.77x = 11,095,733,626.02
  5. Step 5: Solve for x
    x = 11,095,733,626.02/120,460.77
  6. Step 6: Final answer
    x = 92,110.76

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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.