Home / 123,879.10-184,882.52-111,921.70

Finding the Fourth Proportional to 123,879.10, 184,882.52 and 111,921.70

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Solution

The fourth proportional to 123,879.10, 184,882.52 and 111,921.70 is: 167,036.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,879.10 : 184,882.52 = 111,921.70 : x
  2. Step 2: Convert to fraction form
    123,879.10/184,882.52 = 111,921.70/x
  3. Step 3: Cross multiply
    123,879.10x = 184,882.52 × 111,921.70
  4. Step 4: Simplify right side
    123,879.10x = 20,692,365,938.68
  5. Step 5: Solve for x
    x = 20,692,365,938.68/123,879.10
  6. Step 6: Final answer
    x = 167,036.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.