Home / 123,605.19-170,574.26-67,016.16

Finding the Fourth Proportional to 123,605.19, 170,574.26 and 67,016.16

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Solution

The fourth proportional to 123,605.19, 170,574.26 and 67,016.16 is: 92,481.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,605.19 : 170,574.26 = 67,016.16 : x
  2. Step 2: Convert to fraction form
    123,605.19/170,574.26 = 67,016.16/x
  3. Step 3: Cross multiply
    123,605.19x = 170,574.26 × 67,016.16
  4. Step 4: Simplify right side
    123,605.19x = 11,431,231,564.96
  5. Step 5: Solve for x
    x = 11,431,231,564.96/123,605.19
  6. Step 6: Final answer
    x = 92,481.81

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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.