Home / 120,446.16-166,206.36-66,726.96

Finding the Fourth Proportional to 120,446.16, 166,206.36 and 66,726.96

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Solution

The fourth proportional to 120,446.16, 166,206.36 and 66,726.96 is: 92,078.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,446.16 : 166,206.36 = 66,726.96 : x
  2. Step 2: Convert to fraction form
    120,446.16/166,206.36 = 66,726.96/x
  3. Step 3: Cross multiply
    120,446.16x = 166,206.36 × 66,726.96
  4. Step 4: Simplify right side
    120,446.16x = 11,090,445,135.47
  5. Step 5: Solve for x
    x = 11,090,445,135.47/120,446.16
  6. Step 6: Final answer
    x = 92,078.03

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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.