Home / 188,091.08-259,565.72-107,520.38

Finding the Fourth Proportional to 188,091.08, 259,565.72 and 107,520.38

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Solution

The fourth proportional to 188,091.08, 259,565.72 and 107,520.38 is: 148,378.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,091.08 : 259,565.72 = 107,520.38 : x
  2. Step 2: Convert to fraction form
    188,091.08/259,565.72 = 107,520.38/x
  3. Step 3: Cross multiply
    188,091.08x = 259,565.72 × 107,520.38
  4. Step 4: Simplify right side
    188,091.08x = 27,908,604,849.37
  5. Step 5: Solve for x
    x = 27,908,604,849.37/188,091.08
  6. Step 6: Final answer
    x = 148,378.14

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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.