Home / 120,910.14-166,852.65-67,193.79

Finding the Fourth Proportional to 120,910.14, 166,852.65 and 67,193.79

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Solution

The fourth proportional to 120,910.14, 166,852.65 and 67,193.79 is: 92,725.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,910.14 : 166,852.65 = 67,193.79 : x
  2. Step 2: Convert to fraction form
    120,910.14/166,852.65 = 67,193.79/x
  3. Step 3: Cross multiply
    120,910.14x = 166,852.65 × 67,193.79
  4. Step 4: Simplify right side
    120,910.14x = 11,211,461,925.04
  5. Step 5: Solve for x
    x = 11,211,461,925.04/120,910.14
  6. Step 6: Final answer
    x = 92,725.57

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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.