Home / 123,049.10-184,573.65-120,716.30

Finding the Fourth Proportional to 123,049.10, 184,573.65 and 120,716.30

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Solution

The fourth proportional to 123,049.10, 184,573.65 and 120,716.30 is: 181,074.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,049.10 : 184,573.65 = 120,716.30 : x
  2. Step 2: Convert to fraction form
    123,049.10/184,573.65 = 120,716.30/x
  3. Step 3: Cross multiply
    123,049.10x = 184,573.65 × 120,716.30
  4. Step 4: Simplify right side
    123,049.10x = 22,281,048,105.50
  5. Step 5: Solve for x
    x = 22,281,048,105.50/123,049.10
  6. Step 6: Final answer
    x = 181,074.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.