Home / 120,835.18-166,747.86-67,123.60

Finding the Fourth Proportional to 120,835.18, 166,747.86 and 67,123.60

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Solution

The fourth proportional to 120,835.18, 166,747.86 and 67,123.60 is: 92,627.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,835.18 : 166,747.86 = 67,123.60 : x
  2. Step 2: Convert to fraction form
    120,835.18/166,747.86 = 67,123.60/x
  3. Step 3: Cross multiply
    120,835.18x = 166,747.86 × 67,123.60
  4. Step 4: Simplify right side
    120,835.18x = 11,192,716,655.50
  5. Step 5: Solve for x
    x = 11,192,716,655.50/120,835.18
  6. Step 6: Final answer
    x = 92,627.96

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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.