Home / 123,242.24-170,074.22-66,653.62

Finding the Fourth Proportional to 123,242.24, 170,074.22 and 66,653.62

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Solution

The fourth proportional to 123,242.24, 170,074.22 and 66,653.62 is: 91,981.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,242.24 : 170,074.22 = 66,653.62 : x
  2. Step 2: Convert to fraction form
    123,242.24/170,074.22 = 66,653.62/x
  3. Step 3: Cross multiply
    123,242.24x = 170,074.22 × 66,653.62
  4. Step 4: Simplify right side
    123,242.24x = 11,336,061,673.22
  5. Step 5: Solve for x
    x = 11,336,061,673.22/123,242.24
  6. Step 6: Final answer
    x = 91,981.95

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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.