Home / 123,330.67-170,196.33-66,742.05

Finding the Fourth Proportional to 123,330.67, 170,196.33 and 66,742.05

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Solution

The fourth proportional to 123,330.67, 170,196.33 and 66,742.05 is: 92,104.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,330.67 : 170,196.33 = 66,742.05 : x
  2. Step 2: Convert to fraction form
    123,330.67/170,196.33 = 66,742.05/x
  3. Step 3: Cross multiply
    123,330.67x = 170,196.33 × 66,742.05
  4. Step 4: Simplify right side
    123,330.67x = 11,359,251,966.68
  5. Step 5: Solve for x
    x = 11,359,251,966.68/123,330.67
  6. Step 6: Final answer
    x = 92,104.03

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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.