Home / 120,535.06-166,348.32-66,836.92

Finding the Fourth Proportional to 120,535.06, 166,348.32 and 66,836.92

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Solution

The fourth proportional to 120,535.06, 166,348.32 and 66,836.92 is: 92,240.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,535.06 : 166,348.32 = 66,836.92 : x
  2. Step 2: Convert to fraction form
    120,535.06/166,348.32 = 66,836.92/x
  3. Step 3: Cross multiply
    120,535.06x = 166,348.32 × 66,836.92
  4. Step 4: Simplify right side
    120,535.06x = 11,118,209,355.97
  5. Step 5: Solve for x
    x = 11,118,209,355.97/120,535.06
  6. Step 6: Final answer
    x = 92,240.46

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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.