Home / 120,640.03-166,475.40-66,924.92

Finding the Fourth Proportional to 120,640.03, 166,475.40 and 66,924.92

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Solution

The fourth proportional to 120,640.03, 166,475.40 and 66,924.92 is: 92,352.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,640.03 : 166,475.40 = 66,924.92 : x
  2. Step 2: Convert to fraction form
    120,640.03/166,475.40 = 66,924.92/x
  3. Step 3: Cross multiply
    120,640.03x = 166,475.40 × 66,924.92
  4. Step 4: Simplify right side
    120,640.03x = 11,141,352,432.22
  5. Step 5: Solve for x
    x = 11,141,352,432.22/120,640.03
  6. Step 6: Final answer
    x = 92,352.03

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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.