Home / 120,546.10-166,358.88-66,827.70

Finding the Fourth Proportional to 120,546.10, 166,358.88 and 66,827.70

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Solution

The fourth proportional to 120,546.10, 166,358.88 and 66,827.70 is: 92,225.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,546.10 : 166,358.88 = 66,827.70 : x
  2. Step 2: Convert to fraction form
    120,546.10/166,358.88 = 66,827.70/x
  3. Step 3: Cross multiply
    120,546.10x = 166,358.88 × 66,827.70
  4. Step 4: Simplify right side
    120,546.10x = 11,117,381,324.98
  5. Step 5: Solve for x
    x = 11,117,381,324.98/120,546.10
  6. Step 6: Final answer
    x = 92,225.14

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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.