Home / 120,886.44-166,813.50-69,902.48

Finding the Fourth Proportional to 120,886.44, 166,813.50 and 69,902.48

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Solution

The fourth proportional to 120,886.44, 166,813.50 and 69,902.48 is: 96,459.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,886.44 : 166,813.50 = 69,902.48 : x
  2. Step 2: Convert to fraction form
    120,886.44/166,813.50 = 69,902.48/x
  3. Step 3: Cross multiply
    120,886.44x = 166,813.50 × 69,902.48
  4. Step 4: Simplify right side
    120,886.44x = 11,660,676,513.41
  5. Step 5: Solve for x
    x = 11,660,676,513.41/120,886.44
  6. Step 6: Final answer
    x = 96,459.76

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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.