Home / 120,441.71-166,196.09-66,713.39

Finding the Fourth Proportional to 120,441.71, 166,196.09 and 66,713.39

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Solution

The fourth proportional to 120,441.71, 166,196.09 and 66,713.39 is: 92,057.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,441.71 : 166,196.09 = 66,713.39 : x
  2. Step 2: Convert to fraction form
    120,441.71/166,196.09 = 66,713.39/x
  3. Step 3: Cross multiply
    120,441.71x = 166,196.09 × 66,713.39
  4. Step 4: Simplify right side
    120,441.71x = 11,087,503,404.10
  5. Step 5: Solve for x
    x = 11,087,503,404.10/120,441.71
  6. Step 6: Final answer
    x = 92,057.01

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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.