Home / 123,331.56-170,196.91-66,742.93

Finding the Fourth Proportional to 123,331.56, 170,196.91 and 66,742.93

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Solution

The fourth proportional to 123,331.56, 170,196.91 and 66,742.93 is: 92,104.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,331.56 : 170,196.91 = 66,742.93 : x
  2. Step 2: Convert to fraction form
    123,331.56/170,196.91 = 66,742.93/x
  3. Step 3: Cross multiply
    123,331.56x = 170,196.91 × 66,742.93
  4. Step 4: Simplify right side
    123,331.56x = 11,359,440,450.35
  5. Step 5: Solve for x
    x = 11,359,440,450.35/123,331.56
  6. Step 6: Final answer
    x = 92,104.90

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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.