Home / 120,970.24-166,938.78-67,253.56

Finding the Fourth Proportional to 120,970.24, 166,938.78 and 67,253.56

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Solution

The fourth proportional to 120,970.24, 166,938.78 and 67,253.56 is: 92,809.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,970.24 : 166,938.78 = 67,253.56 : x
  2. Step 2: Convert to fraction form
    120,970.24/166,938.78 = 67,253.56/x
  3. Step 3: Cross multiply
    120,970.24x = 166,938.78 × 67,253.56
  4. Step 4: Simplify right side
    120,970.24x = 11,227,227,257.06
  5. Step 5: Solve for x
    x = 11,227,227,257.06/120,970.24
  6. Step 6: Final answer
    x = 92,809.83

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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.