Home / 120,873.50-166,632.20-84,952.02

Finding the Fourth Proportional to 120,873.50, 166,632.20 and 84,952.02

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Solution

The fourth proportional to 120,873.50, 166,632.20 and 84,952.02 is: 117,112.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,873.50 : 166,632.20 = 84,952.02 : x
  2. Step 2: Convert to fraction form
    120,873.50/166,632.20 = 84,952.02/x
  3. Step 3: Cross multiply
    120,873.50x = 166,632.20 × 84,952.02
  4. Step 4: Simplify right side
    120,873.50x = 14,155,741,987.04
  5. Step 5: Solve for x
    x = 14,155,741,987.04/120,873.50
  6. Step 6: Final answer
    x = 117,112.04

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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.