Home / 259,490.58-357,565.55-191,399.75

Finding the Fourth Proportional to 259,490.58, 357,565.55 and 191,399.75

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Solution

The fourth proportional to 259,490.58, 357,565.55 and 191,399.75 is: 263,739.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,490.58 : 357,565.55 = 191,399.75 : x
  2. Step 2: Convert to fraction form
    259,490.58/357,565.55 = 191,399.75/x
  3. Step 3: Cross multiply
    259,490.58x = 357,565.55 × 191,399.75
  4. Step 4: Simplify right side
    259,490.58x = 68,437,956,878.61
  5. Step 5: Solve for x
    x = 68,437,956,878.61/259,490.58
  6. Step 6: Final answer
    x = 263,739.66

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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.