Home / 120,433.22-166,191.29-66,715.02

Finding the Fourth Proportional to 120,433.22, 166,191.29 and 66,715.02

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Solution

The fourth proportional to 120,433.22, 166,191.29 and 66,715.02 is: 92,063.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,433.22 : 166,191.29 = 66,715.02 : x
  2. Step 2: Convert to fraction form
    120,433.22/166,191.29 = 66,715.02/x
  3. Step 3: Cross multiply
    120,433.22x = 166,191.29 × 66,715.02
  4. Step 4: Simplify right side
    120,433.22x = 11,087,454,902.60
  5. Step 5: Solve for x
    x = 11,087,454,902.60/120,433.22
  6. Step 6: Final answer
    x = 92,063.10

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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.