Home / 120,535.48-166,346.22-66,822.76

Finding the Fourth Proportional to 120,535.48, 166,346.22 and 66,822.76

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Solution

The fourth proportional to 120,535.48, 166,346.22 and 66,822.76 is: 92,219.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,535.48 : 166,346.22 = 66,822.76 : x
  2. Step 2: Convert to fraction form
    120,535.48/166,346.22 = 66,822.76/x
  3. Step 3: Cross multiply
    120,535.48x = 166,346.22 × 66,822.76
  4. Step 4: Simplify right side
    120,535.48x = 11,115,713,535.97
  5. Step 5: Solve for x
    x = 11,115,713,535.97/120,535.48
  6. Step 6: Final answer
    x = 92,219.43

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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.