Home / 123,272.96-170,116.61-66,684.33

Finding the Fourth Proportional to 123,272.96, 170,116.61 and 66,684.33

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Solution

The fourth proportional to 123,272.96, 170,116.61 and 66,684.33 is: 92,024.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,272.96 : 170,116.61 = 66,684.33 : x
  2. Step 2: Convert to fraction form
    123,272.96/170,116.61 = 66,684.33/x
  3. Step 3: Cross multiply
    123,272.96x = 170,116.61 × 66,684.33
  4. Step 4: Simplify right side
    123,272.96x = 11,344,111,826.30
  5. Step 5: Solve for x
    x = 11,344,111,826.30/123,272.96
  6. Step 6: Final answer
    x = 92,024.34

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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.