Home / 123,643.04-170,625.38-69,926.04

Finding the Fourth Proportional to 123,643.04, 170,625.38 and 69,926.04

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Solution

The fourth proportional to 123,643.04, 170,625.38 and 69,926.04 is: 96,496.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,643.04 : 170,625.38 = 69,926.04 : x
  2. Step 2: Convert to fraction form
    123,643.04/170,625.38 = 69,926.04/x
  3. Step 3: Cross multiply
    123,643.04x = 170,625.38 × 69,926.04
  4. Step 4: Simplify right side
    123,643.04x = 11,931,156,797.27
  5. Step 5: Solve for x
    x = 11,931,156,797.27/123,643.04
  6. Step 6: Final answer
    x = 96,496.79

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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.