Home / 123,865.96-170,935.30-67,276.12

Finding the Fourth Proportional to 123,865.96, 170,935.30 and 67,276.12

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Solution

The fourth proportional to 123,865.96, 170,935.30 and 67,276.12 is: 92,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,865.96 : 170,935.30 = 67,276.12 : x
  2. Step 2: Convert to fraction form
    123,865.96/170,935.30 = 67,276.12/x
  3. Step 3: Cross multiply
    123,865.96x = 170,935.30 × 67,276.12
  4. Step 4: Simplify right side
    123,865.96x = 11,499,863,755.04
  5. Step 5: Solve for x
    x = 11,499,863,755.04/123,865.96
  6. Step 6: Final answer
    x = 92,841.20

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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.