Home / 120,960.14-166,930.70-67,246.06

Finding the Fourth Proportional to 120,960.14, 166,930.70 and 67,246.06

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Solution

The fourth proportional to 120,960.14, 166,930.70 and 67,246.06 is: 92,802.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,960.14 : 166,930.70 = 67,246.06 : x
  2. Step 2: Convert to fraction form
    120,960.14/166,930.70 = 67,246.06/x
  3. Step 3: Cross multiply
    120,960.14x = 166,930.70 × 67,246.06
  4. Step 4: Simplify right side
    120,960.14x = 11,225,431,868.04
  5. Step 5: Solve for x
    x = 11,225,431,868.04/120,960.14
  6. Step 6: Final answer
    x = 92,802.74

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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.