Home / 123,352.24-170,226.06-66,763.60

Finding the Fourth Proportional to 123,352.24, 170,226.06 and 66,763.60

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Solution

The fourth proportional to 123,352.24, 170,226.06 and 66,763.60 is: 92,133.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,352.24 : 170,226.06 = 66,763.60 : x
  2. Step 2: Convert to fraction form
    123,352.24/170,226.06 = 66,763.60/x
  3. Step 3: Cross multiply
    123,352.24x = 170,226.06 × 66,763.60
  4. Step 4: Simplify right side
    123,352.24x = 11,364,904,579.42
  5. Step 5: Solve for x
    x = 11,364,904,579.42/123,352.24
  6. Step 6: Final answer
    x = 92,133.75

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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.