Home / 123,204.72-170,022.58-66,616.04

Finding the Fourth Proportional to 123,204.72, 170,022.58 and 66,616.04

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Solution

The fourth proportional to 123,204.72, 170,022.58 and 66,616.04 is: 91,930.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,204.72 : 170,022.58 = 66,616.04 : x
  2. Step 2: Convert to fraction form
    123,204.72/170,022.58 = 66,616.04/x
  3. Step 3: Cross multiply
    123,204.72x = 170,022.58 × 66,616.04
  4. Step 4: Simplify right side
    123,204.72x = 11,326,230,990.18
  5. Step 5: Solve for x
    x = 11,326,230,990.18/123,204.72
  6. Step 6: Final answer
    x = 91,930.17

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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.